Will the BIG RIP Destroy the Universe?
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- Опубліковано 30 вер 2024
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How can a “big rip” tear the universe apart? What does that mean for existence itself? Is it going to happen, and what are we doing to find out? I discuss these questions and more in today’s Ask a Spaceman!
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Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE!
Big Rip is too exciting an end for this universe. Heat Death is what this universe deserves.
Can heat death happen after the big rip?
@@guadalupe8589 No because no interaction is possible and therefore entropy ceases to have meaning. Basically after the big rip, energy transfer from one field to another is no longer possible.
What says we're suppose to understand existence?
That may have been the most entertaining lecture on theoretical (hah!) physics I've ever heard.
By then, all cheese is mouldy and I'll be dead.
3:54 time in, I got tired of continuous clickbaity build up and switched off. You're better than this, spaceman.
BEEP BOOP
Thanks for the enthusiasm Dr Sutter 👍
This might be my new favorite channel!
(I am the theorized cheese-eater of whom you speak, btw)
In a big rip scenario, due to relativity, would an observer orbiting Jupiter watch the Earth rip apart first? Both Earth-based and Jupiter-based observations must be equivalent, yeah? This would imply (at least to me) that in a big rip universe, we should see the ripping taking place from all angles, at all distances, from all observers, simultaneously. We wouldn't watch the universe receding beyond the cosmic horizon - we would BECOME the cosmic horizon, each and every one of us, torn apart quark by quark.
I have an exciting old theory that is now an observation. There is no need to modify gravity. Less gravity accelerates time and inflates distance both of which accelerate causation making everything move faster including lightspeed while maintaining the speed of light 186,000 miles per second. The concept is so simple at least for mechanically minded people. If you change the size of a cubit, you will change the size of the house that you build with it. If instead of driving 60 kilometers an hour you drive 60 miles an hour, you will increase your speed because you increased the distance that you traveled in an hour. Then if you change from 60 miles an hour to 60 miles in half an hour, you increased your speed again because you traveled 60 miles in a faster time. General relativity is no longer a theory, it is an observation. Distance expands with less gravity and time speeds up with less gravity effectively making everything faster including light without breaking the speed of light.
The vacuum ("dark") energy is the opposite of inflation. It's now being associated with supermassive black holes that are growing as they absorb spacetime. Dark matter is unnecessary when the effects of the drop off of gravity over great distances is taken into account. Time speeds up outside of galaxies and distance is inflated. Both changes in time and distance result in a much faster causation than where we are inside of a galaxy.
What if..... What if this 'W' thing is just an artifact of bad measurements? I LOVE Paul Sutter's videos, but I am increasingly perturbed at the way cosmologists and theoretical physicists INVENT exotic materials, energies and forces when their measurements don't support the traditional theories. Rather than inventing Dark energy and matter, let's just go back to re-examine our measurements of distance to the most distant parts of the universe that we can observe. Standard candles may not be (evidence suggests they are not) as standard as we thought they were.
I'd love to see someone dig far into the math regarding quark confinement with a Big Rip. Would the ripping rise to such a rate that quarks would be created at an exponential rate, eventually rising so high that the mass/energy created is enough to collapse a pocket of the universe back down to a Big Bang like scenario? Could it be that's what "started" our universe, and that the Inflationary period was just the left over expansion from the previous Big Rip in our local area?
I know this is all just crackpot spouting until someone actually sits down and crunches the numbers though. Still, to someone that hasn't dug into the numbers, it seems to provide some cool features. Might even explain why there's more matter than anti-matter. And by explain I mean kick the bucket down the road to "well it was that way before the previous Big Rip->Big Bang sooo...".
If we think of inflation in the very early universe, matter/energy had to explode away at faster than the speed of light or let's say, at escape velocity compared to gravity reasserting itself. So, there is a force or something that can blow matter away at various speeds up to 100X the speed of light. Right now, the expansion rate is only 80% of the speed of light. At the beginning, it was 10,000% the speed of light. Then a little later, it slowed to only 30% of the speed of light. And even more later, it accelerated to 80%. You know the numbers do NOT make sense unless there is a real force there. Something that is built into space itself. Maybe it is the combined force of gravity, electro-magnetic, weak nuclear and strong nuclear forces as they would occur through time.
the big rip destroyed my new underpants....at the front.....got the wrong size ...forgot 2 allow 4 extra storage room 🤪😝🤪😋
The Universe must be expanding. If it stopped and froze or shrank, that would imply there must be an edge. By definition there is no such thing as outside of the Universe. Nothing can't exist.
I appreciate the lecture. I really do. But the “Big ripper” the thing that does the ripping?! Seriously?! Thank you. I’d never had such a laugh.
When are scientists going to figure out that the changes in the measures of time and distance due to the amount of gravity in the vicinity change the speed of light? Understanding gravity enables you to understand the universe.
Gravity changes speed or causation by changing time AND distance. If you have a different size cubit you will change the size of the house that you build with it. Lightspeed 186,000 miles per second is how we observe it with a constant rate of time and a fixed measure of distance. Another observer in another place in the universe also with a fixed frame of reference will see light speed 186,000 miles per second too except the frame of reference is not the same since it is a different size of 186,000 miles and a different rate of time which alters the speed of light from our reference frame. The significance of this is that when we observe other galaxies in outer space, we are not looking at a fixed measure of distance or a single rate of time because time speeds up and distance is stretched the farther away from the center of the galaxy that it is. If we look at something traveling near the event horizon of a black hole, it will look stopped to us because of how slow it is traveling. If we look at something traveling the opposite direction from us away from the black hole, it will be moving much faster and increasing with speed because the rate of time keeps getting faster and the measure of distance keeps stretching more. This is the reason for superluminal motion and the faster than expected speeds of the outer spiral arms of the galaxies. Things appear to be going faster in outer space because they are going faster without breaking the speed of light because of the changes in the rates of time and the measures of distance in general relativity depending on how much gravity there is in the vicinity.
is it the the dark energy that's expanding and just displacing the visible matter? the big squeeze?
So if W become -1.5 or -2 than the Penrose's theory for cyclic Universe will come true sooner than expectations!?
If in a big rip, phantom energy, senario everything is moving away from everything else at greater than c velocity, then the relationship between particles, or crests between field amplitudes will never have "contact" again. In thar scenario the dimensionalty of the Universe would be something akin to that of a Universe before a big bang. So can you not just call the phantom energy an emergent form of the Inflaton?
Is there anything we know? Like; we measure things, but I have a feeling, everything we measure we measure in relation to something else. But I would like to know from you, if there is anything we know for sure, without relation to something else? And then I would love to hear from you, actual knowledge is. What do we call knowledge? What is the difference between knowledge and believe I have some feeling of it, but I would like to have the knowledge for it. or at least the understanding of or feeling of another person which in this case would be you.
Most cheesy metaphor montage of stock video clips exploring the mysteries of the universe is really quite humbling. We are these mostly harmless and quite fragile and ephemeral creatures. Yet, we are the only known beings trying to observe, understand and unify the nature of the universe from its beginning to its end. Inevitably, there comes a point when we are pulled from these explorations to discover that nearly all the cheese has been consumed. We are compelled to ask, "how and why?"
i think time moves slower for us living inside of a galaxy but to an observer living in a void outside of the galaxy. wouldn't they see a slower more accurate acceleration of the universe?
The truth is that thirteen billion years passes by faster between galaxies where there is no matter or mass to slow down time or contract distance. Light only slows down when it encounters the gravity of a galaxy. To be clear, light never breaks the speed of light. It's just that time passes by faster and distance is stretched where there is no matter or mass to slow down time or shorten distance. This means that the distance is not as far and the universe is not as old from our perspective where time is slower and distance is contracted. Redshift happens because of gravity and the accumulation of gravity over large distances so there is no need for a universe expanding into oblivion for no reason. Since things are moving faster away from the centers of galaxies there is also no need for dark matter. Gravity and general relativity explain everything.
The universe is both older and younger than the earth at the same time.
When you rip a quark you get 2 quarks, Could the big rip generate a new big bang? This would eliminate the need for inflation as the universe is already large.
So what you're saying is, we've all been born too soon to find out what the explanation is.
do you think that this dark matter or energy was the space our universe expanded into?
its seems the universe would rip into two or more pieces and recoil rather than tear apart atom by atom
One good thing about w being measured at less than -1 is that it suggests that these measurements aren't biased.
I hope the dog ate an appreciable amount of the cheese 😆
Mind blowing! Universe blowing !!
Thank you, Dr. Paul. That was very intriguing and well worth my time. One question-- how satisfied are scientists with the current measurements of w? Are there large potential sources of error?
Would a better word the the Big Fart.
Great great description of the problem!! Thank you. In my theory (everyone has a theory) the equation state is not modeled by a fluid - it’s modeled by a bend in space time -
It seems particles are created in acceleration scenarios, black holes, linear acceleration, cosmological expansion. So in a Big Rip, at the end particles are created in the super acceleration rate. It would be inflation all over again.
The words "big" and "rip" remind me of my dad. He was a little crude and I still miss him.
👉🌞i am Dr of universe 😊😂
🖤🦴🖤
Gotta have my cheese
So, eventually, the expansion rate will equal inflation?
pure rippage dude
What about negative mass and energy ? Janus model ?
No
The old adage goes: "Measure twice... RIP Once."
Paul, I think there’s no Big Rip. I think you have night terrors of your familiars devouring your cheeses. Some of us know your past 😊. Now, it’s time you set up a thermal camera AI driven cheese theft detection device and invited your top 20 suspects! 🧀
This is all well and good, but I'm still trying to figure out who took the damn cheese! And if that much cheese is missing, well at least speaking for myself, I can guarantee you there will be a Big Rip.
Fool
rip in peace the universe 13.7 billion bc to ??
Univers will never end
Now I want cheese
So, you've gone Micho Kacu ... My sympathies.
BEEP BEEP BOOP
@Kaiseru lol
Has the universe ever been destroyed? Why should we expect that it ever will? Because you looked through a telescope? Enough of this nonsense. There are no fools in Heaven.
Aloha Paul. As a cheese lover i recomend you try this one. I love it.
Bio Käse Old Münsterländer 50 % Fett i. Tr.
Marke:
Söbbeke
Produktkategorie:
Hartkäse
EAN:
4008471512486
Try to taste it. And thanks for your cool videos. ❤