Something Weird Is Happening On Venus..
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- Опубліковано 22 гру 2023
- Something Weird Is Happening On Venus..
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Could Venus be the key to extending the life of Earth? Let us know your thoughts below.
There IS Geologic activity on Mars.
The sun regularly micronovas, no.. the cycle is up, our magnetosphere is collapsing faster and faster and our geomagnetic poles are going back as per usual towards the indian ocean. NO. Co2 removal wont help, Venus??!, not help, its time for another catastrophic ele, and a very long glaciation after.. we are going back to the bronze age, for those few that survive the tilt and noah floods worldwide. And as all knowledge is barely in print anymore.. yeah. Thousands of years.. of "reset" human history. Welcome to your world.
we do not understand our own planet and we know very little of Venus. I don't see how the very little we know about Venus helps "extend the life of Earth". Our society as we know it, will destroy itself in the next 100y. We don't need to worry about 5 billions years in the future, not do we need to worry about a few degrees of warming over next couple of centuries or 30cm/century of sea level rise.
We don't yet even know how we can manage our own Earth, so I doubt our sister planet can be of any service.
No.
One of major differences is the atmosphere. The atmosphere of Venus is primarily of supercritical carbon dioxide (96.5% vs our 0.042%) and is much denser and hotter than that of Earth. The temperature at the surface is 467 °C, 872 °F and the pressure is 93 bar (1,350 psi), roughly the pressure found 900 m (3,000 ft) underwater on Earth. In short, most meteors will burn up before they hit the surface.
You wouldn't be able to withstand a 5km wind on the surface of venus, you'd be swept away by it!
pfffft...adults please...the indoctrinated kids are out of their minds..!!!
@@Chris.Davies The heat and pressure would kill you before the wind could blow you away. :) Well, okay, unless you had some super-reinforced, liquid-nitrogen-cooled pressure suit on! If you had such a super-cool outfit (pun intended), then yeah, you're right, that 'thick' wind would blow your ass a away! lol
@@jerry-xi4giwhat?
@@withlessAsbestos That typing style indicates a boomer who learned to type on a typewriter.
Venus didn't lose its magnetic field unusually quickly. Earth retained its field unusually long because it contains most of the combined cores of two early planets from the time the moon formed. Other planets do not have the extreme tides we have from our super-sized moon either. Both are unique to earth and necessary for complex life.
There’s a decent chance something similar happened to Venus. Common theory is a super impact event similar to what formed earth’s moon caused Venus to rotate in the opposite direction (and exceptionally slowly) from the rest of the system.
@@roberthesser6402 "Both are... necessary for complex life." Citation Needed.
IE - You have no clue if that's actually true or not.
Luna isn’t really supersized, it’s just large relative to Earth.
Also, he didn’t say that Venus’ magnetosphere died unusually quickly, just that it was early on in its life.
@@roberthesser6402 "Both are... necessary for complex life." Life on Earth is keyed into the conditions on Earth. That does not mean that complex life could not happen under different conditions.
Mercury on the otherhand retained it's magnetic field. If Venus did not get hit by something that slowed it down to to rotate in the opposite direction then it would have also retained it's magnetic field.
You forgot to mention the fact that Venus rotates in the opposite than the Earth. Also it has very slow rotation. That's the biggest mystery for me
True and I reckon that's a big clue!
Venus rotates so slow in fact, that the very first day this rotation rate started, the solar radiation over 2880 hours would have heated the surface to 450C. First day, all water is evaporated into the atmosphere, every volatile in the surface then cooked out and also enters the atmosphere. Monster atmosphere bring huge winds and the dark side gets to 450C also. Everything adds up once you know these numbers.
@@ianmatthews7385Yes I read something years ago that Venus may have suffered a glancing blow from a planetesimal that resulted in its slow, retrograde rotation. It might also explain the lack of a magnetosphere. Whether that’s true or not is a different matter but it’s difficult to believe that it doesn’t have any implications for its current condition.
Venus has not changed its direction of rotation, it has tipped upside down so that its north pole is near where its south pole was when it formed. This may have been from interaction with some other object or it's own heavy atmosphere dragging on its surface may have slowly pulled the planet over.
@@MrDominex it’s crazy to think that it’s atmosphere could do that!
Uhm, and what exactly is the weird thing that is happening on Venus right now?
This video had to be created using A.I. assistance. It regurgitated much information, but shared nothing new.
Venus is Nibiru Nigh by R U. It is an intruder-planet that was captured by our solar system long, long ago, but much more recently, settled in to its current orbit. Retrograde motion is evidence for extra-solar origins. See also Titan and Uranus.
At first, the thumbnail looked like a thermonuclear explosion on the surface of the Sun! hehehe
@@samr.england613 And a big "HELL-O"
to all the Earth, from the sun. You, too, Venus.
Nothing, interesting video, but looks like we both got click baited 😂
@@stephenowens8658we three
I find it overly presumptuous to make direct comparisons between the future of Earth and the current state of Venus.
As you aptly mentioned in the introduction of this video, our understanding of Venus remains incomplete, which renders any attempts to draw parallels between the two planets mere speculation.
Science is a meticulous discipline that refrains from making premature conclusions and takes a cautious approach to asserting certainties.
I think that Venus heated up because of its extreme slow rotation which in turn is due to a lack of a moon which could stabilize a faster rotation like our moon does to earth which then cools the climate because of a good air flow.
I feel we we’re on a path to being able to purposefully change the climate of other planets. It won’t be long.
@@SPCE_BOYY Maybe. Is a few hundred, or, a thousand years, 'long', in your view? Because it could be much longer than these timescales before we will be able to terraform other worlds. If ever.
This is why I hate it when the media and politicians use science to scare people by drawing conclusions that they cannot prove, but act like its undeniable because "science".
My thoughts exactly. This video gives a pretty great summary of what we know, with some excellent imagery, but the look into Earth's future is extremely hypothetical
Well, that rotation of Venus tells me something big (and “bad”) happened.
Yep, without discussing with that, the rest of the speculation in pretty irrelevant.
A body of CME material castoff from a sun-Saturn micronova wouldn't have significant intrinsic angular momentum. It would gain a small amount of spin as it coalesced.
@@Winkkin 😂😂 that made my day.
@@tuberroot1112 Indeed.
@@frgv4060 There are stories of a time when there were no stars. Just a continuous dusky haze, that never left the sky. Saturn, Earth, mars all have similar tilts to their orbits. Yes I think thers enough peculiarities to consider looking into the idea that Saturn is the brown dwarf sun that fostered Earth and some of the other bodies in the solar system
I believe that the brown dwarf star shed much of its outer layers in some sort of plasma polarity equalization. Most of that material became the planet Venus. Its hot because it hasn't had time to cool.
There are plenty of tales about Mars and Saturn once being much closer to Earth locked in some kind of synchronous orbit. Stories about the 'birth' of Venus and how it attacked Mars and almost hit Earth. I believe those close encounters created Valles Marinares and the Grand Canyon
Theres a lot more to this idea than just spin axis.
You forgot to mention why Venus rotates backwards/ upside down or its axial tilt is 177°.. It really puzzles us maybe an event something made Venus lose its magnetic field, like a Polar flip, or a huge object crashed Venus which influenced its global resurfacing event and backwards rotation?
He probably didn't mention it because we don't know the answer scientists have several hypotheses but we have no way to tell which if any are correct to any level beyond speculation since there are too many variables.
For example based on simulations of Venus with oceans comparable to those the Earth has have found that because of the cumulative amplification of tidal forces water experiences due to hydrogen bonds it would take no more than ~250 million years for Venus to become synchronously locked to the Sun a.k.a. "tidally locked". The less water the longer it takes to become synchronously locked the more water you add then the less time it takes to become synchronously locked.
This all comes down to tidal forces magnitude being an inverse cubic function i.e. the tidal forces experienced between any tidal interaction of two bodies is the derivative of the force of gravity between those two bodies thus even a tiny decrease in the magnitude of the distance results in a huge increase in tidal forces. In this sense the weirdest thing about Venus's length of day is that it isn't exactly one Venusian year. But if Venus was at one point synchronously locked to the Sun that alone makes it much easier to make Venus have retrograde revolution (which is the equivalent of flipping the planet's axis of rotation by 180 degrees) If that is the case then all you need is to tilt the planet's axis by -3 degrees and that is much easier to achieve.
There are clearly other factors you need to account for however such as the atmospheric superrotation and the friction and momentum exchange between that dense supercritical fluid atmosphere. Notably we now know that the planet's length of day been observed by Venus Express differs from the length of day measured by Magellan by about 8 minutes. The observations are fairly robust so this observation seems quite robust and it notably coincides with a significant increase in the wind speeds of the upper Venusian atmosphere so it appears that there was an exchange of angular momentum from the solid planet to its atmosphere.
This at least in principal isn't too surprising as we have observed similar angular momentum exchanges between Earth's solid mantle its liquid outer core and its solid inner core but the magnitude which we saw is fairly significant in a way that is unexpected.
yea it happen 24,000 years ago...for more watch the finding of Allatra international public movement scientific finding about the fate of Mars and what happen on mars given that time
Nice rundown. Personally, I believe our water was here from the get-go, as opposed to being brought after earth was built. And that water was incorporated into the rocks going down as far as you can go (new research says we have more than an oceans’ worth of water buried inside right now). That water in turn helps lubricate its innards, which fracture into our tectonic plates. Venus, as you indicated, had less of a magnetosphere, which led to it losing its water. No water, no plates, no plate movements. Venus was doomed at its birth. Too bad. I was hoping it still had dinosaurs…
When you say, 'from the get-go', do you mean after the vast majority of the Earth's mass had formed? I mean, because planet formation is an aggregate process. If so, then I almost totally agree with you that the vast majority of Earth's water was already incorporated after the planet had acquired most of its mass. However, after the collision with the Mars-sized body, Theia, that formed our Moon (current theory, anyway), as that event happened relatively early in not only Earth's history, but the history of the Solar System, I think it likely that icy comets continued to pummel the Earth for at least half a billion years after that cataclysm, adding untold water mass to Earth's existing hydrosphere.
There was certainly no liquid water on Earth during the Hadean when the crust was molten, but water from the interior was brought to the surface by volcanic activity. Examination of isotopes in comet ice suggest that Earth's water was not of cometary origin.
Whats it like to ignore things like research and fairly compelling evidence, In favor of stuff you make up because it sounds better to you?
Earth's plate tectonics are driven by lunar tidal forces. Its water and other volatiles are not really a factor.
@@obsidianjane4413 see this is what happens when people too lazy to look into something they're interested In, so they just mull it over and whatever sounds plausible in their heads is what they vommit out into the world. If earth was born with a lot of native water supplies then the impact that created the moon probably had a detrimental effect on those supplies and a few years an analysis of h2o bound up in asteroids was isotopically the same as earth's water, showing us that our planets water came from elsewhere and specifically asteroids. The Osiris Rex sample returns backed that up. Now how long do you think it took me to look that up? Less than it took to type this.
Love seeing this when im in the middle of reading Calibans War
Really good graphics, film and explanations. Thanks
Thanks for all of the amazing videos this year I hope you and the team had a great Christmas I know I did because I got some stuff from the space race store for Christmas
It's amazing how so little we know about our neighboring planets. Plenty of theories to go around, but not much evidence how such a close planet is so different from our own. To be continued....
It’s amazing that only one species on this planet knows any of the properties of any of the neighboring planets. 4.5 billion years after the earth cooled, during a brief period surface stability, just one species (and some variants) know the existence of our solar system neighbors.
@@bearlemley wdym "and some variants"
they are a lot ofeverything'smy friendVenus at one pointin the past used to havea moonand that woman wasMercuryMercury was hit by an asteroid043 MIall all the three rain downand Venusinitiate a volcanic eruptions all over theplanetand from the impactMercury was capturedby the Sunthat was the end of Venusforeverbut I believe the venetianssurviveand they are responsible for ourexistenceand there are a lot moreevidencehavenice day
@@SPCv4gingers
@@bearlemleycould be alot more species a few galaxies away
Moons craters would seem to be more plasma burns than craters from impact ( not much ejected material , craters on rims of craters and 90 degree impacts) not all but a huge amount.
Even angled impacts make round craters. Also, there was plenty of time for smaller asteroids to hit older craters - making craters inside craters.
A slight breeze on venus would be like scuba diving in swift River currents. The air being so thick it would move you around like whitewater rapids
It might be more intense than that! The atmospheric surface pressure on Venus one would feel if he could stand, un-aided by a super-cooled pressure suit, would be equivalent to the pressure felt at 3,000 ft depth in our oceans.
Ah shit, it's not the protomolecule is it?
Lots of assumptions being passed off as fact here. As in earth will become like Venus eventually.
I couldn't agree more! In fact, I pointed that out myself after I didn't see anyone mentioning that.
I'm glad you brought attention to that as well.
Thank you for this intriguing video
I do think that Earth could end up going the way Venus did very easily. We're quite ignorant even now, with everything we learn each day. Obvious things sometimes get overlooked or outright dismissed.
Great stuff. Please include more planetary info. 🎅🏻
I've read some scientists studying the creation of an artificial magnetosphere for Mars. They say it's totally doable, just a bit beyond our near-term capabilities. Would be cool to see future peeps supplement Earths eventual fading magnetosphere.
Wouldn't it make more sense with Venus?
@@jantjarks7946 yeah upper atmosphere of Venus is better, but you can't expand indefinitely for growing settlements. Everyone is focused on Mars for that.
Earth's magnetosphere may flip, but it shows no signs of fading away.
@@donaldcarey114 I'm referencing what was mentioned in this video.
it would take just an nuclear power plant worth of power so very do able.
Protomolecule?
JohnColorado3811 - From the sci-fi TV show "The Expanse".
Yes! Literally reading Calibans War right now so the title grabbed my attention haha
The Earth has two Americas!? Haha. Great video!!
not a word about the rotation of Venus.
Ah, VENUS... So many similarities to Earth. Also A TON of differences.
As far as "the runaway greenhouse effect" goes, just like Carl Sagan did (and so many others after him), you left out the MOST IMPORTANT variable. The length of a day on Venus. Time in the sun has the largest effect on how hot it gets. Proximity is a secondary variable compared to this.
From dawn until dusk on Venus is around 120-130 FULL DAYS AND NIGHT on Earth, the exact number is hard to find (go ahead and try, I may be off by a couple days).
But, A full day and night cycle on Venus is not hard to find: 5,830 hours. Divided by 24 = 242.91 days on Earth. Approximately 114 days short of one year on Earth.
Why is this important? I will try my best to keep it simple:
The warming of the surface during DAYLIGHT HOURS to get to the high temperature for the day takes approximately 50% (or more) of those sunlight hours. That is around 60 days on Earth (or more) from dawn until the hottest part of the day on Venus. If our sunlight hours took that long, there would be no life on Earth either, way too hot during the day.
Most planets in the solar system have days far closer to the length of a day here on Earth. Venus is the anomaly here.
Not even considering the closer proximity of Venus to the sun, this FACT alone utterly destroys the "Greenhouse Effect" that so many "scientists" have pushed on us over the years. As does the nightly low temperature on Venus... They told us Co2 "holds heat." Laughable at best.
A few other things to consider; we do not use Co2 as an insulating gas (between window panes for instance) because it has an R value of ZERO.
It is hot in a Greenhouse because it is one giant window to let as much shine as possible inside. Co2 has absolutely nothing to do with the temperature inside a greenhouse. Co2 is pumped into a greenhouse for one reason, and one reason only: All plant life will DIE without a certain level of Co2 present, and they do far better when Co2 levels go up for some glaringly obvious reason.
BASIC science that seems to get "left out."
Also... a lie of omission is the worst kind of lie, particularly when the person omitting it knows without doubt that it destroys their entire argument.
Thank you for addressing the elephant in the room!
Wish more could understand this basic principle.
If they can think beyond one point and ask relevant questions, they can and will see it.
But most of the time it needs to be pointed out to people before they can see what is right under their noses.
Once the lie is revealed, the question to ask becomes... "Why push this lie?" It was driven into all of our heads in schools since at least the mid-seventies when I heard it there, over and over again.
That is properly referred to as "indoctrination." Driving an idea into the heads of children that do not have the basic knowledge to understand or even question what they are being "programed" with.
Teachers cannot teach what is not on "the curriculum" which is put there by the government that funds them.
The same governments that denied all this at the time, put it in schools to be pushed into the heads of children, and they kept it there ever since. WHY?
The mind goes to the thing most repeated and thinks it to be true, which is why propaganda works.@@rcschmidt668
I'll make this as 'simple' as possible for you. You do realize how powerful a greenhouse gas is Co2, right? Without Earth's atmospheric ratio of Co2, that is, 0.04% of total atmospheric gasses, Earth would be a frozen snowball! Venus, as you should know, contains orders of magnitude more Co2. Extraordinary orders of magnitude more carbon dioxide. Something like over 180% more Co2! It's not just Venus' slow rotation and its closer proximity to the Sun that makes it a hellhole, it's its atmosphere.
Venus seems to be one giant volcano planet basically
It's one giant, highly pressurized, hotter than the hottest oven, hellhole!
...what's the 'weird thing' that happening then?
In the future floating cities in Venus atmosphere might be able to take some of the carbon out of the atmosphere and put it in plant material to start the ball rolling to eventually terraform Venus.
Maybe, problem is they would be screwing their own city in the process. Idk if that plan will make it through the politics and bureaucracy of the future. If todays world is any indication anyway.
Dont go without your aluminum foil.helmet.
I wouldn't start with plants at 70 degrees celcius and very limited water. Find another way to cool the planet or harvest the carbon. Hell, we can use it for target practice for shooting Kuijper belt ice asteroids. Worst case: We get some experience with some very impressive weaponry / terraforming tools without harming a habitable planet. Best case: The water clouds cool Venus enough for plants to become viable. Though the amount of ice needed is going to be literally astronomical, so don't hold out hope for this being finished in the next thousand years.
This was going to be my question but then while putting in the timestamps, I _FINALLY_ realized that the first one was Earth n the second was Venus.
😂😂 duh! I can be dense sometimes, but then again, I imagine everyone is capable of that sometimes. Maybe I was too focused on the graph than of nitrogen than I was listening when you _specifically_ said “… Earth has 78%…”
Maybe I was being particularly ignorant but maybe make it more obvious next time… lol and u might not even need that!
But I liked the video! Got my follow!
Very awesome content!
You definitely deserve ads and sponsorship! Best of luck to you!
(((Can you help me out with something please?
5:53 - How is it that Venus has
78% - Nitrogen
21% - Oxygen
------
6:20 - But then you also said it has
96% - Carbon Dioxide)))
Carbon capture is easy, PLANT MORE TREES!!
It's were all the carbon locked in the earth came from in the first place. So you are absolutely right!
What kind of trees do you plant on a planet whose surface temperature is over 800 degrees F.?
@NondescriptMammal ASH, SILLY. No on that other planet, earth lol.
@@NondescriptMammal Palm trees?
If it's video about the basics of Venus. Put, in the title.
The Great Venusian Planetary Cataclysm, I think, is the primary reason for climate we see on Venus today.
We could bring it back to life (give it an active crust), but we would need to grab another moon sized mini planet and place it into orbit around Venus. Then it would reactivate the globe stretching effect that we experience due to our moon. Although ... I would imagine that we would probably need to also throw a bunch of ice at it as well to give it water and to help cool it fown too.
All in a days work
Venus already has sufficient water, the problem is lack of plate tectonics, not lack of tides
The moon is not responsible for earths “active” crust and Venus would need a Jupiter sized planet to stretch and compress it.
add vodka and call it a Venus moon 🍸.
Piece of cake, easy-peasy! But seriously, an interesting concept. If we could somehow speed up Venus' rotation, extract all that Co2 (and maybe ship some of that to Mars), add a bunch of water to Venus by redirecting comets to collide with the bitch-from-hell, THEN, we could engineer and calculate a trajectory of a Moon-sized object to go into orbit around Venus. Sounds like a plan to me, and much more feasible than terraforming effing Mars!
Wouldn't it be more sensible to suggest that earth and Venus had the same atmosphere but then earth grew life which eventually turned the outrageously rich concentration of carbon dioxide into an oxen nitrogen blend? Maybe life also started on Venus but being to close to the sun meant it got snuffed it before the cyanobacteria stage and therefore never got the atmosphere that the weather is currently sporting.
The way it was presented, I also wondered if the hydrogen that blew away made its way to Earth and made life possible here.
@@tricitymorte1 There are good reasons to believe that isn't the case the first has to do with outgassing one of the big surprises from Venus Express's analysis of the induced magnetotail of Venus is that the loss rate of hydrogen turns out to be exactly the same as the measured loss rate for Earth. Then you have orbital dynamics to account for outgassed material and the odds of any particle from Venus sticking around are pretty much negligible to nonexistent when you account for that they would be fully ionized and thus indistinguishable from the solar wind. Effectively the Maxwell Boltzmann velocity distribution for such a hot hydrogen exceeds Earth's escape velocity. The only way Earth and Venus can hold onto hydrogen is if it is chemically bound to something heavier. In fact without condensation of rising water vapor in our atmosphere into clouds and rain Earth lacks sufficient mass to be able to hold onto water as well which is why scientists are pretty sure Venus going into a runaway greenhouse state would be sufficed to get the hydrogen depleted world we see today.
If Earth was much more massive and or it didn't have an atmosphere and magnetosphere deflecting any such particles away from being able to chemically react with its solid surface it would be plausible for hydrogen to be captured as we see that happen with the Moon and Mercury but the problem is that such conditions would not leave a habitable planet and any water which reverted to a gaseous state is immediately lost back to space. It is very hard to capture gases unless they are cold and relatively slow moving like the early solar nebula.
Hypothetical: What if Venus hasn't had life yet, and is just another Earth in the making? I mean, life on Earth has existed for a few million years, maybe 1% of its age, maybe a little more.
Exactly what I was also thinking!
Life on Earth has existed since at least 3.5 billion years ago, which is about 75% of Earth's history. Your argument was destroyed by ignorance.
@@PlanetaryExplorer it was a HYPOTHETICAL, you stupid fox!
@@PlanetaryExplorer Did he really even have an, 'argument'? And they say now that the earliest, most primitive life on Earth may well have emerged as early as 4.1 Billion years ago, or just 400 Million years after Earth formed. (Challenges to that, granted. But still, what if that's the case?) It suggests, if true, that life, at least primitive, primordial life, may be common in the Universe.
Send James Holden to investigate
These things happened for millions of years. And we know this because we were there to see it happen.
Does anyone know the temperature and pressure on the top of those high mountains?
There is a simple explanation to much of the abnormalities there. Electric discharge, it would explain the temperature, the short timeframe, the weird scarring found around the surface. Also,the weird radar returns they’ve found in the past. It’s also not a “runaway greenhouse effect“ it was formed that way, always been that way. There is a hypothesis that Venus may only be a few dozen million years old. Our solar system has not always been in its current configuration according to a large number of planetary scientists
Greenhouses are cooling as in Almeria. though the Albedo effect. They are also profitable and can produce clean water.
Very cool channel
lack of Magnetic field has screwed up 2 planets in our solar system, which means the core of these 2 planets has little Iron to produce magnetic field.
Objection! It is an ASSUMPTION that many of those surface features are impact craters. There is an electric discharge alternative model too.
Note that some recent research revisiting old data from Venus was able to identify that some of the crust has moved over time between more recent observations and old data from Magellan which some researchers believe they have identified an underlying tectonic process identified on Venus they are just more granular chunks of crust which jostle like pack ice. These were identified by the small scale orogenic features which on Earth correspond to transpressional and transtensional features. This tentative process has been given the name chunk tectonics like plate tectonics but with smaller more rigid chunks. It is kind of in-between a stagnant lid like Mars and plate tectonics of Earth. Notably the crust within the center of these chunks appears to be undeformed with only the edges being disturbed with transtensional or transtensional behavior suggesting rotational jostling is an important evolutionary process on Venus with chunks identified with size ranges between Alaska and Ireland, ultimately much smaller than Earth's plates but definitely not like Mars's stagnant lid either.
Scientists believe Earth's bulk carbon is largely stored in the mantle as is the bulk of Earth's water this is largely based on the study of mantle Xenoliths and the study hot spot plume volcanism. Notably sometimes some of this carbon largely in the form of carbonatite minerals does come to the surface through a process thought to work somewhat like a bottle rocket catalyzed by silicates reacting with carbonates in the mantle and under the right conditions the release of carbon dioxide as a byproduct can induce rapid decreases in the local density driving mantle material to accelerate towards the surface. These volcanic pipe eruptions are poorly understood and tend to occur in clusters regionally where they accumulate in continental crust much like how craters do only they come from the inside of the planet rather than the outside. Notably when they rise through an old craton they are known as Kimberlite pipes and are the mechanism which can excavate diamonds to the surface fast enough for them to not revert to graphite.
If any process could bring this carbon to the surface it would have to be fairly cataclysmic as in planet resurfacing. One thing which came up in my planetary physics class back in grad school was the timescale and behavior of moons and its dependence on both the mass of the parent planetary body and their host star. Venus turns out to be interesting as its massive enough to be able to support a moon for a few billion years but not 4 billion years since if Venus had oceans tidal forces would have ultimately brought the planet into a synchronous rotation on the order of several hundreds of millions of years. This would then cause any moons to be gradually pulled inwards as angular momentum from the moon is transferred to the planet which is then tidally transported to the star.
The end result is that such a configuration at Venus's distance from the star would provide a natural means for planetary resurfacing as the moon ultimately gets torn apart and crashes to the surface. If the moon's initial orbit was retrograde this becomes able to fairly trivially give you the observed retrograde revolution. In essence Venus may have captured and or formed a fairly large (i.e. maybe dwarf planet sized) moon early on however as tides stole angular momentum from the planet and the moon the moon spiraled inwards over billions of years until it finally entered the Roche limit of its tidally locked planet ending with Venus becoming a magma world as huge chunks of moon crashed into and liquified the planets crust and mantle.
This at least to me seem the best way to recreate Venus's young properties which if accounting for the dense atmosphere slowing down most meteorites to a stop means impacts would be limited to roughly several kilometer diameters in scale to reach the surface. Still based on Earth's records they should be more of them so we can estimate its surface might be at most a billion to half a billion years old according to research I looked up for a term paper a few years back.
Redirect and slam something like Pluto into Venus.
Change things up a bit.
Sounds mighty easy too!
Lol
Sarc
Yeah man! I've said something similar for decades! Redirect a bunch of icy, watery comets to collide with Venus, add a bunch of water to that hellhole, and just see what happens! :) What could go wrong by just adding sh*t tons of water?
@@samr.england613 take it to the level of almost recreating the Theia planetoid collision with earth.. hit it so it turns venus on its axis, hit it such that it effects its interior... if the collision accelerates Venus by pushing it along its orbital direction of travel, maybe give its orbit around the Sun a slightly wider radius. And, yes. The water ice it introduces should help too.
You left out 2 very important facts… Venus rotates in the opposite direction as all other planets. And it rotates VERY slowly. Its day is longer than its year!
It's not the retrograde rotation that's the problem, it's the slowness of that rotation that is (part) of the suspected problems with Venus. Then again, we consider Venus a, 'problem', because it's not like Earth, right? :)
@@samr.england613 - Venus sounds like the descriptions of Hell! It’s too bad it’s not more like Earth (as it might have been a place to escape to - to get away from the insanity here)! LOL
@@coloradokid8321 There is no escape. We're stuck here.
@@coloradokid8321If we could, 'settle', or, 'colonize' Venus, we would bring our insanity with us.
you only forgot to mention that the Venus is rotating very slow and in oposit direction ... so this also colud be the reason for it ....
It's slowness of rotation is probably pivotal to its nature, but it's opposite, retrograde direction of rotation has nothing to do with anything. For example: If Venus was rotating on its axis as fast as the Earth, but in the opposite direction, that is, where the Sun rises in the West, that in and of itself would make no difference in the planet's overall character.
how about using a huge wide circular sun shade as a lunar eclispe effect and cool venus down first?
We'd first have to figure out a way to extract and remove, or sequester, damn near 99% of all that Co2, otherwise, a sunshade will never work, because Venus' ridiculously thick Co2 atmoshpere will retain the heat that's already there for millions of years.
I never could figure out why we didn't shower the atmosphere of Venus with photosynthetic materials, or some other stuff that would eat all that CO2 and cool the place down. It's not as if there are Venusians who would care.
No, the heat on venus is not caused by a run away greenhouse affect. Its the high pressure that cuases the high temperature.
When we go into a nukes war this would be best bull shop ever
I am less interested in how it formed the ginormous atmosphere it has and more interested in how to reduce it to something manageable. Sagan's idea about crashing comets and such into it to blow off the atmosphere has merit, but the work involved in this would likely be prohibitive with extensive use of automated probes taking years to alter Oort cloud objects...and again, moving objects of substantial size and quantity to blow the atmosphere off would be monumental. The only remotely possible option seems to be building a gigantic sunshade to cool the planet and then sending a truly monumental amount of water-ice crashing in to hopefully get the carbon dioxide to rain out of the atmosphere to 1. get the atmospheric pressure under control and 2. further cool the planet by getting that pressure cooker effect out of the way. But, until someone figures out how to build a sunshade 4,000km in diameter, it sort of short circuits the discussion, much less figuring out how to get a magnetic field solution in place so it all doesn't happen all over again.
10:57 Since when does the magnetic field prevent hydrogen from leaking into space?
How do we veryfy the age old cratering on other planets in the solar system? Sounds like a wild assumption when you really look into it.
Or or or… maybe Thea is not only responsible for the formation of our large moon but also the reason we even have plate tectonics at all. I’ve seen people theorize that if Venus had a large moon like Earth’s, their rotation would have been stabilized and slowed down and the atmosphere of Venus would be much more like our atmosphere. But what if that wouldn’t have been enough. Perhaps if Venus had a Thea of her own then she would have had a large moon AND possibly plate tectonics as well. But Venus didn’t have a Thea. I think that more likely, without a Thea, Earth would be exactly like Venus. I don’t think there is anything to learn from Venus except what would have been the fate of Earth without Thea.
What about spinning backwards?
Venus is doing the moonwalk. 😂
'Backwards' is a matter of one's point of view. For example, if one is in orbit above Earth's North Pole, the planet turns counter-clockwise. But if one is above Earth's South Pole, the Earth turns clockwise. There is no, 'up' or 'down' in space, it's all an illusion created by the force of gravity. Is the Moon, 'above us, in the sky'? Not really, as the Earth and her Moon, are, basically, side-by-side in space.
11:09 where did this causal argument come from? I’m not sure it holds up
How do we decide what is a "living" or "dead" world? There may well be some species out there that would consider Venus a relatively normal if sterile environment, and Earth a clammy, waterlogged mess with almost no atmosphere to speak of and a half-baked crust.
I beg to differ, Venus is NOT the most Earth-like planet in the solar system, Earth is. LOL
We should try to terraform Venus
Interesting. Thought provoking. We're toast!!
Earth the new Venus in 5 billion years... I actually don't mind that.
It's the whole super nova in 5 billion years, And the Milkyway Andromeda collision in 5 billion years that I'm more worried about, well not really me but humanity...
1:49 not plate tectonics, WEATHER AND WIND!
Good video, even if the news wasn't so good.
Take the Earth and push it somewhere else.
There is more compelling science out there than what is being offered here. Being aware, there is shift coming and this standard fare will not survive. Best wishes.
True science never assumes anything!
I have question why spacex don't use falcon hevey to lounch starlink? Wood that will be butter
in my option is that while earth has a big water circle, including in associated with plate tectonics. venus almost don't have, have a Sulphur circle....
There is a theory, based on clues, that the sun has a micro nova on a regular frequency. This bombards the planets and pushes them further away into new larger orbits. Mars was the first one through the habitable zone, earth is currently in it, and Venus will be here eventually. The question becomes ... what is the frequency of these pushes?
maybe there are no craters because the atmosphere is so thick everything burns up before it hits........
Isn't water a green house gas in Earth's atmosphere?
Isn't it a stronger green house gas than carbon dioxide?
Yes and yes. But see, Co2 makes up just 0.14% of Earth's atmosphere, and without that trace amount of Co2, Earth would be a frozen snowball. (It's happened before in Earth's past. About 700 Million years ago) 'Snowball Earth', google it.
Venus is hot because of the pressure at ground level, that's why the 3,000 hrs off night is the same as the day side. Each day on Venus is 243 earth days and it spins backwards.!
'Backwards' only in the sense that all the other planets spin in the opposite direction. :)
Could Venus undergo another catastrophic global resurfacing event again at some point in the future? (considering there must still be radioactive heating in the mantle, as there is on Earth). BTW, excellent video!
Since Venus does still have active volcanoes, I would say it's possible. Not that we'll see it, but that it still has the potential.
How to make Venus habitable. One, use solar sails attached to asteroids to bring a number of large asteroids into orbit around Venus, thereby reducing the amount of solar radiation reaching Venus and lowering the energy input from the Sun.
Two, use solar sails attached to comets to bring a large number of ice comets to collide with Venus, bringing large amounts of water to Venus and thus lowering the temperature of Venus over time.
This are going to be BIG solar sails and will be used to deflect the solar photon pressure in such a way as to lower the orbit of the asteroids and comets.
Try not to allow any of these to collide with Earth while conducting this mega-project, as I'm trying to watch UA-cam videos and don't want a collision to disturb my viewing. Thanks!
where solar wind follows the suns magnetic fieldlines planets occur -hydrogen/single protons would travel the furthest of all elements
(chances are moons and asteroids origin from previous planets where we now find asteroid belts )
Okay, Replica. (You have no idea of what you're talking about.)
@@samr.england613 solar wind goes out in all directions and consist of charged particles, the sun has magnetic fieldlines
@@samr.england613* in an infinite universe it makes sense to catch solar wind, pull cables from pole to pole slightly offset for the dynamo effect -as in mars as a mega machine
(on how to interact with existing magnetic fieldlines )
Giant solar reflectors between the earth and the sun could work… maybe?
A bandaid on the wound, not solving the source of the injury.
Very large swarm of reflectors or refractors at L1.
electric universe theory for the win
We need to put a rocket gas station in the atmosphere of Venus.
In the past, large things affected small things and small things couldn't do much about it. In the future, small things will affect large things and the large things will do nothing to stop them. Live long and prosper, my cosmically significant brothers and sisters. 🖖
A couple points this video got wrong. Earth started with a thick CO2 atmosphere like Venus. But Earth cooled enough to form a liquid water ocean. Rocks weathered, sodium and potassium were dissolved out of rocks by moving water (rivers and streams), turning ocean water into salt water. Calcium and magnesium were also wasted out of rocks. CO2 dissolved into ocean water by waves. Dissolved CO2 combined with dissolved calcium and magnesium to form limestone. So Earth's thick CO2 atmosphere was sequestered as limestone. That never happened on Venus.
Second: Earth's strong magnetic field is not an accident. Earth has a large moon that has gravity. That creates tides. Not just tides in the ocean, but the crust too. A bulge forms on the side of Earth facing the moon, and another on the opposite side. The bulge facing the moon rises slowly and falls slowly. So the bulge is slightly past perfect alignment with the Moon. Lunar gravity tugs on that bulge, causing Earth's rotation to slow. That slows the crust, not the core. The mantle is hot and soft like plasticine, but connected to the crust. Earth's outer core is molten. The liquid outer core acts as a liquid bearing, so the inner core doesn't slow like the rest of the planet. The only thing slowing spin of Earth's inner core is friction. The Moon constantly and gradually slowa spin of the Earth, but the inner core always spins faster. Heat from the inner core causes convection currents in the outer core. But rather than counter-rotate, the difference in spin rate of the inner core and mantle organizes convection currents to all rotate the same way. So magnetic fields of these currents are instead of cancelling.
As long as Earth has a single large moon, we will have a strong magnetic field. Venus doesn't have a moon, so its magnetic field is so weak it's almost non-existent. Lack of a strong magnetic field allowed hydrogen to leak into space. So Venus lost its water.
Your answer is the magnetic core and its movement
Wait, he just said that the earth will die in billions of years???
Whoooooo....that's a relief. I thought he said MILLIONS!! 🤐🤐
If venus had a moon (not even as big a moon as we do) I bet that crust wouldn't be solid for long. surprised this wasn't mentioned.
Earth's moon can affect deep ocean water; I'm not sure if such an equivalent-mass body orbiting Venus could significantly affect heavy, flat rock.
Venus water and hydrogen get into space and withsolar wind all water and hydrogen deposit into earth results in habitable earth
So, Jovian Moons Steal Martian Water💀
No. That would be a negligible amount.
"Venus is closer to the sun than the earth but only by around 30% which is not enough to cause a huge differente in temperature"
*Yes it is!!!* For starters, when you approach a source of light, the amount of light on a surface increases by the square of difference of distance, meaning venus receives about 87% more sunlight than the earth. Then, when you're comparing temperatures you have to use Kelvin, not celcius nor fahrenheit which in turn makes Venus only about 35% hotter than it would be compared to Earth if the temperature was a function of amount of sunlight alone. Not a particularly surprising difference, specially considering that higher atmospheric pressure, all else remains equal, raises temperatures considerably - a phenomenom that has been well observed on earth with measurements in deep mine shafts and canyons
You talk about deuterium ratio on Earth to four significant figures but no figure for Venus, just "significantly higher". What does that mean ? Is 5% "significant" ?
It would be, that aliens drank lots of soft drink on Venus. So many soft drinks, for so long a time, that the atmosphere became 96% Carbon Dioxide. The remaining question is: Which brands of soft drink did those aliens drink? They must have been very good drinks, because they drank them so much and for so long. We need to get that drink too. Not to do so would be a cataclysmic shame. So how are we going to get those good soft drinks? We should be calling occupants of interplanetary craft, asking about those drinks, asking who out there sells those drinks, and letting them know that we want those drinks too, and that we will pay good money for them.
Venus also rotates the wrong way. So something really bad happened here.
What's the weird thing happening on Venus?... The Protomolecule is growing!!!
Darn protomolecule shenanigans. This is NOT the year!
Only the core that makes earth magnetic
If Venus had an elevated quantity of Uranium in it's core, resulting in a nuclear fission powered core, would we be able to detect it with craft sent to Venus to this point?
What about day and night cycle on Venus? What would happen if Earth had that year long day on one side? Why no one talk about this.?
Not an atmospheric greenhouse effect. It's an atmospheric density effect.
It's both.
@samr.england613 technically yes. It's just that it can't really be measured effectively. Gas density so outweighs the miniscule effect of energy transfer disruption back to space by spectrum interference that its "greenhouse" effect isn't even considered relevant. Empirical data lines up with the known pressure gradient of the measured gas present.
So basically, the presence of water saved the Earth.
maybe we got plate tectonics when that mars like planetoid hit the earth and formed the moon. No plate tectonics because that never happened to Venus?
Water is also a greenhouse gas
It does have plate tectonics...
Citation needed. There have been simulations that suggest it is possible but no evidence showing it is so.
@@filonin2 i mean, I'm pretty sure those white lines on venus are plates, not the way how earth plates work, but plates
Shades at the L1 Lagrange point.
Wouldn't matter, because Venus' thick Co2 blanket atmosphere would retain its intense heat for Millions of years after the advent of any manmade 'shade'.
@@samr.england613
I meant for Earth as the Sun heats up. Sorry to be non specific.
For Venus, if you wanted to, you'd have scrub all of the co2 as well. You'd also have to find some water and radiation shielding. It would be a tough job.