The ancient CRT monitors had one major advantage - they were big enough and warm enough that the cats would curl up to sleep on top of them, and they couldn't knock them over.
Cats like learning too, they don't have to be looking at you, they hear all, and cats do experiments on gravity, that's why they'll push things off the shelf and slap other things off
"Is there a conflict of interest?" Yeah. Yeah, I'll just stop you there. Yes. All the conflicts of interest. And not a single one of them being the public interest.
Like I said the other time, I find the "black holes as dark energy" idea really unconvincing from a *theoretical* perspective. Because Alan Guth already studied the behavior of what amounted to a black hole full of dark energy back in the 80s, and it doesn't do that. It looks like a normal black hole from the outside, and *inside*, it explodes into a new baby universe (yes, it's bigger on the inside, but not as well-behaved as a TARDIS), but we can't see that happening. This idea that exterior cosmology should somehow be coupled to what goes on inside the event horizon even though we can't see it... it doesn't make sense to me.
Hubble, imo, should be indefinitely maintained until we can (1) fund a true replacement and (2) bring it back to Earth. It is just too important of an observatory-and too accessible-to let it decay like another piece of space junk. Hubble not only unlocked countless scientific breakthroughs; it brough the public back into space in a way we haven't seen since the Apollo program. It truly belongs in a museum.
Wow. That DESI discussion was an example of you'al pulling the public towards the professional's understanding. Nice job. But, I'll have to watch this video a couple of times.
Regarding shipping humans past LEO: It's not worth even going to the moon unless the plan is mapped out to a point where earth could quit supporting the colony without the colony having any concerns about their long term, many generational, survival. You could presumably build, launch, land and operate a few dozen Curiosity/Perseverance type rovers for years for what it would take to put a less than dozen humans in one location for less than a year.
for going past the moon, definitely. Lunar resources are much more fuel efficient for doing anything large scale in low earth orbit than lifting metal, water, and propellant from earth, so that's one reasonable economic case that could support importing difficult-to-manufacture durable goods long term since it's not actually that far. There's also a decent chance of finding easy-to-access rare earth deposits on the lunar surface that you could mine very simply and that's high value enough to consider shipping back to earth, though I admit that one is a little more out there, and depends a lot on the difficulty of setting up or restarting viable mines on earth that don't poison the water table.
@@thamiordragonheart8682 even for lunar mining, I'd question if it's cheaper to ship humans or robots. Other than dealing with equipment breakage and the like, I don't see anything humans would be doing that wouldn't be remotely operated, even if the operator is only in a pressurized rover 10m away.
The Universe really seems to be electric. Your dark energy is electromagnetism. Spiral galaxy arms are not being drawn into a black hole imo, but on the contrary, are fed from a plasmoid at the galactic center, adding to length of the arms. rec: Wal Thornberg, Hannes Alfien.
Why should only black holes couple to dark energy - instead of general concentrations of matter doing the coupling? As the universe ages, matter concentrates ever tighter into the cosmic web, galaxies, and all sorts of compact objects (not just black holes) - and all these mass concentrations pull on spacetime too. Then perhaps that locally stressed spacetime causes expansion of the surrounding relatively less-massive large voids and general intergalactic space, in some kind of a direct feedback?
How cool would it be if it turns out there is a equivalence relationship between energy and spacetime, and black holes are converting energy directly into spacetime. We'd literally be made out of the fabric of the universe itself.
Omigosh your kitty in the background is being too cuuuute! ^^ Perseids is my favorite meteor shower too, but I'm still so sad the moon is gonna outshine the Geminids shower :( Not like I can see it well regardless since I live in the city. Thank you Dr. Becky as always for putting in the time and energy and knowledge into these videos! I always look forward to your posts! This one about dark energy being coupled with black holes was a bit dizzying but still fascinating. I need to rewatch though I think to fully absorb lol
Astrophysical research will not suffer as big cuts as climate one. The Orange One and his disciples do not like the results of climate research in general. So I am very deeply concerned about the American satellite observation systems. Of course they serve both climate research and weather observation so the main victims will be people not warned about a hurricane because circulation models will lack good data. It is so predictable and the therefore so sad.
@arctic_haze While you are right that there's people who don't want the climate satellite's, even if there are cutbacks, in no way will that affect hurricane weather forecasting. But, for several years now I thought those people aren't very sharp. They should be 100% behind getting as much real data as possible, I am. Trump, Elon, Vivek and team, are going to create a "Golden" era and unlike the Democrats, he knows how to do it. Starting with people who are actually competent.
If black-holes grow from vacuum energy, what effect does that have on excluding primordial black-holes based on the missing observations of them evaporating?
Dr. Becky. Wishing you and cat and kin and kind, all the best this holiday season. Its about this time of year that I usually fall into an infinite black hole so I know they do exist. Thanks for all your great postings of knowledge expanding videos...
Did you see latest Hossenfelder video, she said latest webb's data result shows there is no dark matter helping built the first big galaxies, they should not exist. So wether the age of the universe is wrong or there is no dark matter .)
Hmm "Could black holes explain dark energy AND the crisis in cosmology", maybe explain a small part of it! but we need to change our model as JWST keep's showing us some thing's are a lot bigger then what we think we should be seeing for example the super massive galaxy's in the early universe or super massive black hole's that break all of our predicted outcome's? but confirms predictions made with Modified Newtonian Dynamics, MOND.
Dr. Becky, if Hawking was correct about black holes slowly, or fast, evaporating, why would you expect some kind of high energy release when the black hole disappears? Does his theory show the black hole going out with a bang or a whimper-just fading away into "space"? If it goes out with a bang I would expect there to be indications of that as the black hole was shrinking when we ever find one to observe.
In ‘A Brief History of Black Holes’ you offer that Taylor Swift is the greatest lyricist of our generation. Awesome, but I just want to say, what about Lorde?! Have you listened to Lorde?? Great work as always. Love your videos and your book.
18:15 I am slightly distracted by your fabulous hair: especially when it switches sides between cuts… - the asymmetrical version is especially drawing my looks. 😊
This was such a good episode, I just love the little things you can learn and yes much is often beyond me but that doesn't detract in any way from my enjoyment Thanks a Lot.
When they put the bowling ball on a trampoline to illustrate how mass warpes spacetime, notice that the surface of the trampoline increases. Just saying....
Is there a point where the study of black holes reaches a limit since we can never truly know what's inside them? It feels like an insurmountable problem, as the best we can achieve are mathematical inferences about what might be happening. On top of that, we have dark matter and dark energy-phenomena we can't directly see or detect-and black holes, where we can't say with absolute certainty what's going on internally. How do you maintain your sanity while studying such elusive mysteries?
For some reason vacuum energy reminds me of perpetual motion. So rather than claiming that aliens built anything we don’t fully understand, I think we need to continue studying the universe. We have barely started learning about the universe. Just like 150 years ago we thought we had it all figured out and the only thing to do was add a few more decimal places to our knowledge.
So.. you're saying in a universe that creates matter in a void from radiant energy, then said matter falls into a black hole, which takes said matter, and converts it into dark energy, which grows space, so it would create more void, so more matter creation... sounds like a cyclical thing like we see all around in the universe :D But that also alludes to an eternal and eternally growing universe :D
Being able to detect asteroid-sized primordial black holes should be good. The less massive a black hole, the sooner it evaporates and based on the life of the universe primordial black holes should have a minimum size in order for them to not have evaporated. From memory (and I might be mistaken) the asteroid-size mass is the biggest spot left where we haven't yet ruled out the existence of primordial black holes. We should also not forget that it is entirely possible that there are more than one single solution to dark matter; it can be a mix of various solutions. And even if it doesn't solve dark matter, it would still be nice to know or to rule out primordial black holes of various sizes.
My first question on the black holes growth coupled to dark energy idea: what the mechanism of this coupling is (if it exists)? second: what prediction can be made to definitively test the idea?
Can you do a video on two similar proposals for telescope time and why one was approved and the other not? I’m curious about how the decision is made if two different groups want to study the same thing. Also, I’m pretty sure a primordial black hole caused the tripod to wobble and not Pippin. Pip is innocent.
Could the super giant black holes at the center of galaxies be the primordial black holes? That would help explain how massive they are without enough time to grow that massive
I'm having so much fun watching while actual scientists figure out if the expansion/structure problem is a case of spherical cows everywhere or something deeper. Keep looking up!
Re measuring the distance to Mars to detect primordial black-holes: I wonder if that could be combined with a dedicated communication platforms at Mars? A platform to allow high bandwidth data return from Mars would have lot of the equipment needed to do high precision range and rate measurements.
At @23:30 you say something that is confusing me every time I hear it. If the red-shifts of very far galaxies were larger than anticipated from the extrapolation of the red-shifts of near galaxies, then that additional red-shift would be the result of a higher expansion rate of the universe in the past, and thus the expansion rate of the universe would have to be slowing down. In order to conclude that the expansion of the universe is accelerating, the evidence must be that the red-shifts of far away galaxies are actually smaller than anticipated. I seem to remember that the original data actually supports my logic, but I don't remember which source I checked.
I’d bet the banks that’s not gonna happen bc Dr B is dogmatic towards the mainstream and academia theories/beliefs, she may get less funding or less views so she won’t even touch it just like the ufo phenomenon. It’s a sad science world by 2024, ots hardly actually science with the amount of dogma and suppression/rejection of science they don’t agree or comfort with.
It is my understanding that the team who is granted time on the JWST has dibs on the data from the instrument they requested, but what about the other instruments? I assume the other instruments still observe adjacent patches of sky; is that data available to anyone or is it also exclusive to the original requestors?
Dark energy/matter could explain ghosts. People living in a dark energy/matter world who don't normally interact with our world (and vice versa) Or physics is missing something?
It is so cute you think conflict of interest will be any concern in this new administration. Look for science budgets to be converted into giveaways to corporations.
The largest share of the science budget has always gone into the life sciences. The cost of the R&D to convert that science into drugs and new medical technology and procedures is part of what drives your healthcare cost up. There is nothing particularly new happening here, you are just not informed about reality.
What do you think she’d say… She’s a product of mainstream science and academia dogma. There’s no wavering from dark matter or ehem the money and bosses opinions and bias of certain “accepted” theories.
It is not hard to come up with alternative models to LambdaCDM with more parameters that gives a better data fit. Here the added parameter is the fraction they transfer from baryon mass energy to dark mass energy (as well as the untold parameters of the dark energy black hole - say gravatar - model involved). The problem is to make a better model balancing fitting versus complexity and thus far LCDM is the reigning champion. Partly they rely on the latest DESI data release that show how their baryonic oscillation data alone fits well to cosmic background data but as usual when they add supernova data there is more of a Hubble tension that you may explain differently. I’m not very fond of the gravatar models either, because they are immensely complex with an own cosmological solution - different vacuum - core and odd shells that separate that from the usual nature outside.
Ive wondered if when a black hole crushes the incoming material so much the effect is the creation of dark matter. In my thinking, black holes arent dark energy but they are dark energy generators.
22:00 - 'detecting an asteroid size mass' doesn't that assume we know and correct for the mass of every other asteroid size object inside ~jupiter that could confound this measurement?
The ancient CRT monitors had one major advantage - they were big enough and warm enough that the cats would curl up to sleep on top of them, and they couldn't knock them over.
And they have an after glow like objects falling into a black hole (without the red shift)
You need a CRT to play old games like Duck Hunt and Hogan's Alley. The Zapper won't work with LED screens.
@@essaboselin5252 I remember someone saying something about hertz refresh rates not mattering on CRT ones, but I don't know the validity of that.
yes, but they would also pee into them because the hot PCB in early monitors (and other electronics) released a smell similar to urine.
@@MetalkattLight pen needs the raster scan to pinpoint position.
@24:13 "Pressure pushing down on you..."
Wasn't that part of research released by Bowie, Mercury and collaborators c. 1981? 🎶
V. Ice ripped of their paper and tried to pass it off as his own research 😂
ba na na na na na na
I propose a new paper, "Cats And Their Effect On The Success Of Science Communicators"!
wait, was there a science communicator in this cat video? 😋
Cats like learning too, they don't have to be looking at you, they hear all, and cats do experiments on gravity, that's why they'll push things off the shelf and slap other things off
As much as I hang on your every word during these, when Pippin is in the background anything you are saying becomes white noise 😄
oooh a night sky news, i love- CAT. THERES A CAT. OH MY GOD CAT
What is that person doing on a CAT video?
CAT: there she goes again - bashing the camera around! 😼
Skipping ad bit--oh, kitty! I can't skip the kitty!
❤
"Is there a conflict of interest?" Yeah. Yeah, I'll just stop you there. Yes. All the conflicts of interest. And not a single one of them being the public interest.
Not spending $175 Billion to antagonize war would be a good start towards a better budget.
Elon wouldn't be known if not for his government funded tesla and space x
Theres rumours of sls getting canceled tho, which would free up a ton of the budget
I love when your cat makes cameo appearances in your videos, such a pretty kitty.
Me, too! Hi cat!
24:10 Pressure? Pushing down on me? Pushing down on you? No man asked for...
Primordial black holes are the cause of missing socks in the dryer.
"interesting" ... such an optimistic word for such circumstances
Not spending $175 Billion to antagonize war would be a good start towards a better budget.
YES that's the definition of conflict of interest
Not spending $175 Billion to antagonize war would be a good start towards a better budget.
@jeffreygrant817 stop repeating yourself!
I wanted to focus on the video, but I can only see the kitten playing with the screen 😹
I heard nothing in the first 20 second.
All I knew was cat.
When can we expect Astrophysicist Cat merch? 😊
More Cat Bloopers please!
Like I said the other time, I find the "black holes as dark energy" idea really unconvincing from a *theoretical* perspective. Because Alan Guth already studied the behavior of what amounted to a black hole full of dark energy back in the 80s, and it doesn't do that. It looks like a normal black hole from the outside, and *inside*, it explodes into a new baby universe (yes, it's bigger on the inside, but not as well-behaved as a TARDIS), but we can't see that happening. This idea that exterior cosmology should somehow be coupled to what goes on inside the event horizon even though we can't see it... it doesn't make sense to me.
When I was younger I had the thought that dark matter could be burnt out black holes, but their gravity and hawkings radiation kinda proves that wrong
Pretty sure David Kipping has his eye to the glass on JWST as we speak. Can’t wait to see what his findings are.
Cant wait to see the results of his current observations
Spider cat, spider cat. Doing things that a spider cat can.
Hubble, imo, should be indefinitely maintained until we can (1) fund a true replacement and (2) bring it back to Earth. It is just too important of an observatory-and too accessible-to let it decay like another piece of space junk. Hubble not only unlocked countless scientific breakthroughs; it brough the public back into space in a way we haven't seen since the Apollo program.
It truly belongs in a museum.
Wow. That DESI discussion was an example of you'al pulling the public towards the professional's understanding.
Nice job. But, I'll have to watch this video a couple of times.
Evening Dr Becky. A pleasure to see you this evening!
Thankyou for your content Doc, you’ve revitalised a love of the cosmos in me that’s been dormant for decades, keep that passion coming!
Jupiter has been so bright lately! Blows my mind every year
The more I learn about physics the more I think dark matter, dark energy, primordial black holes, etc are all as likely as Santa Clause being real.
Regarding shipping humans past LEO: It's not worth even going to the moon unless the plan is mapped out to a point where earth could quit supporting the colony without the colony having any concerns about their long term, many generational, survival.
You could presumably build, launch, land and operate a few dozen Curiosity/Perseverance type rovers for years for what it would take to put a less than dozen humans in one location for less than a year.
for going past the moon, definitely.
Lunar resources are much more fuel efficient for doing anything large scale in low earth orbit than lifting metal, water, and propellant from earth, so that's one reasonable economic case that could support importing difficult-to-manufacture durable goods long term since it's not actually that far.
There's also a decent chance of finding easy-to-access rare earth deposits on the lunar surface that you could mine very simply and that's high value enough to consider shipping back to earth, though I admit that one is a little more out there, and depends a lot on the difficulty of setting up or restarting viable mines on earth that don't poison the water table.
@@thamiordragonheart8682 even for lunar mining, I'd question if it's cheaper to ship humans or robots. Other than dealing with equipment breakage and the like, I don't see anything humans would be doing that wouldn't be remotely operated, even if the operator is only in a pressurized rover 10m away.
The Universe really seems to be electric. Your dark energy is electromagnetism. Spiral galaxy arms are not being drawn into a black hole imo, but on the contrary, are fed from a plasmoid at the galactic center, adding to length of the arms. rec: Wal Thornberg, Hannes Alfien.
That cat has some serious floof!
Okay Canadian here when you mention cold, but your in Britain right? Does Brittan even get snow there?
Cat appears to be trying to alert you to a problem with the displayed data?
We can depend on Elon Musk discovering "hyper space worm holes" which can reverse the laws of thermodynamics and make fairytales come true.
I was thinking earlier today that Jupiter was looking particularly bright, I guess that's why
Wouldn't primordial black holes have (very small) accretion disks? If so, what would that look like to an observer?
Don’t worry too much about conflicts of interest - it's almost certain that the new US administration won’t. At all.
😂😂😂
Not spending $175 Billion to antagonize war would be a good start towards a better budget.
I love Night Sky News! Thanks Dr. Becky!
Why should only black holes couple to dark energy - instead of general concentrations of matter doing the coupling? As the universe ages, matter concentrates ever tighter into the cosmic web, galaxies, and all sorts of compact objects (not just black holes) - and all these mass concentrations pull on spacetime too. Then perhaps that locally stressed spacetime causes expansion of the surrounding relatively less-massive large voids and general intergalactic space, in some kind of a direct feedback?
I think the better answer is, our understanding of the universe is fundamentally wrong. :)
How cool would it be if it turns out there is a equivalence relationship between energy and spacetime, and black holes are converting energy directly into spacetime. We'd literally be made out of the fabric of the universe itself.
There is no such relationship.
Omigosh your kitty in the background is being too cuuuute! ^^ Perseids is my favorite meteor shower too, but I'm still so sad the moon is gonna outshine the Geminids shower :( Not like I can see it well regardless since I live in the city. Thank you Dr. Becky as always for putting in the time and energy and knowledge into these videos! I always look forward to your posts! This one about dark energy being coupled with black holes was a bit dizzying but still fascinating. I need to rewatch though I think to fully absorb lol
don't worry about hubble..the budget will be $0 next year.
Thank You, Dr Becky
Great video as always Dr Becky! Always enjoy your videos and learn a great deal. Cheers from USA, 5/5!
Nice to see your co host is back with you this week. Love cat she can come any time has long has you can do the show. Have a good week.
Thank you, Dr. Becky.
Astrophysical research will not suffer as big cuts as climate one. The Orange One and his disciples do not like the results of climate research in general. So I am very deeply concerned about the American satellite observation systems. Of course they serve both climate research and weather observation so the main victims will be people not warned about a hurricane because circulation models will lack good data. It is so predictable and the therefore so sad.
That's total speculation based on imaginary nonsense.
@@OhAncientOne It's based on his previous term. And then he had some adults in the administration, at least in the first three years.
@@OhAncientOne Project 2025 explicitly targets NOAA and the NWS.
@@OhAncientOne You seem to be totally departed from reality.
@arctic_haze While you are right that there's people who don't want the climate satellite's,
even if there are cutbacks, in no way will that affect hurricane weather forecasting.
But, for several years now I thought those people aren't very sharp.
They should be 100% behind getting as much real data as possible, I am.
Trump, Elon, Vivek and team, are going to create a
"Golden" era and unlike the Democrats, he knows how to do it. Starting with people who are actually competent.
If black-holes grow from vacuum energy, what effect does that have on excluding primordial black-holes based on the missing observations of them evaporating?
I’m glad you have a classical 🐈.
What about JWST destroying dark matter?
What about fake news? It's as old as hearsay.
What's the difference between dark energy and negative mass
Dr. Becky. Wishing you and cat and kin and kind, all the best this holiday season. Its about this time of year that I usually fall into an infinite black hole so I know they do exist. Thanks for all your great postings of knowledge expanding videos...
I’m not sure who the star of this channel is anymore, Dr Becky or her beautiful cat 😅
When we start seeing those DART meteors, I wonder if we'll call them the "Anthropids"
Did you see latest Hossenfelder video, she said latest webb's data result shows there is no dark matter helping built the first big galaxies, they should not exist. So wether the age of the universe is wrong or there is no dark matter .)
Sabine has had some really bad takes recently. She's also strongly against dark matter so her conclusions are kinda biased
Hmm "Could black holes explain dark energy AND the crisis in cosmology", maybe explain a small part of it! but we need to change our model as JWST keep's showing us some thing's are a lot bigger then what we think we should be seeing for example the super massive galaxy's in the early universe or super massive black hole's that break all of our predicted outcome's? but confirms predictions made with Modified Newtonian Dynamics, MOND.
That music makes me think of my favorite obstetrician.
Dr. Becky, if Hawking was correct about black holes slowly, or fast, evaporating, why would you expect some kind of high energy release when the black hole disappears? Does his theory show the black hole going out with a bang or a whimper-just fading away into "space"? If it goes out with a bang I would expect there to be indications of that as the black hole was shrinking when we ever find one to observe.
In ‘A Brief History of Black Holes’ you offer that Taylor Swift is the greatest lyricist of our generation. Awesome, but I just want to say, what about Lorde?! Have you listened to Lorde??
Great work as always. Love your videos and your book.
18:15 I am slightly distracted by your fabulous hair: especially when it switches sides between cuts… - the asymmetrical version is especially drawing my looks. 😊
Next episode cat solves problem no one can figure out. HAHAHA
Sorry Dr. Becky, I didn’t get what you said. I was watching the cat.
This was such a good episode, I just love the little things you can learn and yes much is often beyond me but that doesn't detract in any way from my enjoyment Thanks a Lot.
OMG!!! We have the same cat!!!???
We need to make a second JWST, as well as the replacement to Hubble.
Please do a video on Quantized Inertia...since you did one on MOND, I think it would be great content. Thanks!
You don't need a telescope to see my Big Dipper.
When they put the bowling ball on a trampoline to illustrate how mass warpes spacetime, notice that the surface of the trampoline increases. Just saying....
The biggest downside of moving to Vienna to study chemistry is i cant see the stars anymore just by looking out the window xD
No blooper of Dr. Becky singing Under Pressure?
Not if there aren't many in intergalactic space ..naked black holes. That's a unique possibility especially if they are primordial.
Is there a point where the study of black holes reaches a limit since we can never truly know what's inside them? It feels like an insurmountable problem, as the best we can achieve are mathematical inferences about what might be happening. On top of that, we have dark matter and dark energy-phenomena we can't directly see or detect-and black holes, where we can't say with absolute certainty what's going on internally. How do you maintain your sanity while studying such elusive mysteries?
You inspire me to study more for my dreams, thank you 🪐🌌✨️
thanks Doc
For some reason vacuum energy reminds me of perpetual motion. So rather than claiming that aliens built anything we don’t fully understand, I think we need to continue studying the universe. We have barely started learning about the universe. Just like 150 years ago we thought we had it all figured out and the only thing to do was add a few more decimal places to our knowledge.
Hopefully Elon Mucus will send himself to Mars.
😭…..😂😂😂😂
So.. you're saying in a universe that creates matter in a void from radiant energy, then said matter falls into a black hole, which takes said matter, and converts it into dark energy, which grows space, so it would create more void, so more matter creation... sounds like a cyclical thing like we see all around in the universe :D But that also alludes to an eternal and eternally growing universe :D
Night Sky News....
"WoW!"👍🖐
I need just a slightly deeper dive into why black holes gaining energy and mass explains why the expansion of spacetime is speeding up.
I think there's a PBS Spacetime episode on it.
Being able to detect asteroid-sized primordial black holes should be good. The less massive a black hole, the sooner it evaporates and based on the life of the universe primordial black holes should have a minimum size in order for them to not have evaporated. From memory (and I might be mistaken) the asteroid-size mass is the biggest spot left where we haven't yet ruled out the existence of primordial black holes.
We should also not forget that it is entirely possible that there are more than one single solution to dark matter; it can be a mix of various solutions. And even if it doesn't solve dark matter, it would still be nice to know or to rule out primordial black holes of various sizes.
Nice cat
My first question on the black holes growth coupled to dark energy idea: what the mechanism of this coupling is (if it exists)? second: what prediction can be made to definitively test the idea?
SPONSERS note! When AstroCat is in the background, I DO NOT fast forward throught your information! Thank you! 🥰
Can you do a video on two similar proposals for telescope time and why one was approved and the other not? I’m curious about how the decision is made if two different groups want to study the same thing. Also, I’m pretty sure a primordial black hole caused the tripod to wobble and not Pippin. Pip is innocent.
I'm cosmologically coupled to tacos.
Cats, because you're tired of having nice things.
Could the super giant black holes at the center of galaxies be the primordial black holes? That would help explain how massive they are without enough time to grow that massive
I wondered what it light itself could be dark energy
13:08 Yeah, we all knew, but...Still
I'm having so much fun watching while actual scientists figure out if the expansion/structure problem is a case of spherical cows everywhere or something deeper. Keep looking up!
Re measuring the distance to Mars to detect primordial black-holes: I wonder if that could be combined with a dedicated communication platforms at Mars? A platform to allow high bandwidth data return from Mars would have lot of the equipment needed to do high precision range and rate measurements.
At @23:30 you say something that is confusing me every time I hear it. If the red-shifts of very far galaxies were larger than anticipated from the extrapolation of the red-shifts of near galaxies, then that additional red-shift would be the result of a higher expansion rate of the universe in the past, and thus the expansion rate of the universe would have to be slowing down. In order to conclude that the expansion of the universe is accelerating, the evidence must be that the red-shifts of far away galaxies are actually smaller than anticipated. I seem to remember that the original data actually supports my logic, but I don't remember which source I checked.
Could you please talk about the point that Dr Sabine Hossenfelder made on her video; Webb Falsified Dark Matter Prediction
Could you please provide title and author of the paper you are talking about? I don't watch her videos anymore.
It's her most recent video and she lists the paper in the description
Yes to this!
lol cancelled for some reason?
I’d bet the banks that’s not gonna happen bc Dr B is dogmatic towards the mainstream and academia theories/beliefs, she may get less funding or less views so she won’t even touch it just like the ufo phenomenon. It’s a sad science world by 2024, ots hardly actually science with the amount of dogma and suppression/rejection of science they don’t agree or comfort with.
It is my understanding that the team who is granted time on the JWST has dibs on the data from the instrument they requested, but what about the other instruments? I assume the other instruments still observe adjacent patches of sky; is that data available to anyone or is it also exclusive to the original requestors?
Dark energy/matter could explain ghosts. People living in a dark energy/matter world who don't normally interact with our world (and vice versa)
Or physics is missing something?
Do primordeal black holes have accretion disks?
It is so cute you think conflict of interest will be any concern in this new administration. Look for science budgets to be converted into giveaways to corporations.
The largest share of the science budget has always gone into the life sciences. The cost of the R&D to convert that science into drugs and new medical technology and procedures is part of what drives your healthcare cost up. There is nothing particularly new happening here, you are just not informed about reality.
What do you think of MoND and the JWST data?
What do you think she’d say… She’s a product of mainstream science and academia dogma. There’s no wavering from dark matter or ehem the money and bosses opinions and bias of certain “accepted” theories.
I like It Isac Arthur's view on kinetic energy or rail gun space launch ideas 🦎🌋✌️🍻 pardon my spelling of his name may be incorrect 😎🤔
It is not hard to come up with alternative models to LambdaCDM with more parameters that gives a better data fit. Here the added parameter is the fraction they transfer from baryon mass energy to dark mass energy (as well as the untold parameters of the dark energy black hole - say gravatar - model involved).
The problem is to make a better model balancing fitting versus complexity and thus far LCDM is the reigning champion. Partly they rely on the latest DESI data release that show how their baryonic oscillation data alone fits well to cosmic background data but as usual when they add supernova data there is more of a Hubble tension that you may explain differently. I’m not very fond of the gravatar models either, because they are immensely complex with an own cosmological solution - different vacuum - core and odd shells that separate that from the usual nature outside.
Ive wondered if when a black hole crushes the incoming material so much the effect is the creation of dark matter. In my thinking, black holes arent dark energy but they are dark energy generators.
2:06 What? Not the toenail moon?
22:00 - 'detecting an asteroid size mass' doesn't that assume we know and correct for the mass of every other asteroid size object inside ~jupiter that could confound this measurement?