On this episode of StarTalk Radio, we bring you Part II of Cosmic Queries – Black Holes and Dark Energy. Neil deGrasse Tyson and comic co-host Chuck Nice are answering fan-submitted questions about what we know, and don’t know, about black holes and dark energy.
You’ll hear why a black hole’s consumption of matter does not overpower the evaporation caused by Hawking radiation. Neil tells us what’s actually “evaporating” during Hawking radiation. He also tells us two remarkable facts about black holes that are sure to blow your mind.
We discuss how a spy satellite accidently opened a new branch of astrophysics. Find out more about singularities. We investigate the singularity at the beginning of our universe and Neil explains when string theory needs to be brought to the table. Chuck shares how his son coined the word “ringularity.” We assess the possibility of black holes being used as an intergalactic highway system to connect one galaxy to the next.
Find out more about “white holes.” Discover more about supermassive black holes. We explore the nature of photons: how they can be pulled into black holes if they’re massless and why they travel along the fabric of spacetime. Adventure back in time to Sir Arthur Eddington’s expedition to uncover how light bends around the sun.
We ponder if dark energy and dark matter are “stuff” permeating from another universe into our own. Discover why light is trapped in our galaxy but gravity isn’t. We discuss the likelihood that intelligent life is more advanced than us. Lastly, Neil shares final thoughts on the delicate evolution of the tree of life.
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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!
Originally aired March 2, 2020.
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so as the black hole evaporates, is it being converted into those particles of matter from the gravitational energy.
What if black holes fuel stars…aka white holes???
Okay, so I literally just used the small mammals thing in relation to the dinosaurs before Dr. Tyson started the hypothetical about the dinosaurs being alive. That's weird. But I got that fact from him on Cosmos, soooooooo
If our rotation rate is faster than it should be, does that mean that days are shorter than they should be? And if so, have they been shorter than they should be since long before the tiny mammals crawled out of the ground and took the Earth from the dinosaurs?
Somebody edited the ball ant thing into the wrong place.
"Screaming into another dimension" sounds like an album.
If Tyson wants to sell trucks, that's exactly what I am going to let him do.
And I'm paying what ever price he sets too, no argument. lol
That's essentially the only lisp on the planet that is fully capable of showing a person the inside of their own colon.
He could come steal my car right this second and all I will probably do is offer to wash it before he leaves. lol
So a tunnel between universes would be very dark but it wouldn't be zero gravity.
It's not just a movie, it's a comic book character.
I went into a hot tub for long periods as a kid and I'm just fine. What age?
That's offensive. I prefer the term African hole.
I could listen to this all day. Thank you Dr. Tyson for breaking these topics apart and thank you internet for coming up with such great questions.
That space ship in the back ground looks like a KKK MEMBER.
This make me wonder: if the Energy and Mass are the same thing, so the Energy also generates gravity? If there is large amount of Energy without Mass, is this possible?
so a black hole ran backwards in time is a white hole… a white hole could possibly be the big bang 🤯
If the speed of light is the fastest we know, how can something reach the speed of c sqared to turn into energy?
<entanglementIblackholesIstringtheory> A Loren Emmerich was here.
Why does blackhole have the same gravity with its parents star??
Dr.Tyson, you are my hero
When light travels in a curve isn't that because it's refracted? Does lighting get refract when a planet is on it's way or it's just when the sun is on it's way? If it's only when the sun is on it's way then it could perhaps be the weaker/exhausted light that travelled long distance is getting refracted by the stronger and more concentrated sun light to bend. After all photons are waves and they could interfere in that way. Maybe it's not about time and space bend, this experiment of the refracted light of the stars is the most famous and perhaps the only example they have to explain space and time bend exists
thats what she said
Mr. Tyson is a national treasure
maby all universes´re spheres devided into different layers under and over each other and
gravity´s at the center becoming more diluted the further out it goes?..
This is a great series. I have a lot of new things to learn since I got my BS in physics in 1958. I didn't work in the physics field, but in the computer field as a programmer. New information in both fields is coming in faster than my old brain can handle it.
U guys are like Rick and Morty
Dr. Tyson you two could make up a StarTalk store, that'd be absolutely awesome. I'd spend my whole salary in it for sure!!!
Sounds like y’all could write an equation to ( x=god) with just a little more awareness.
Neil What would the universe look like if you were to not move with the space, galaxy, solar system and planet ?
Chuck Nice is the 🐐…. his comedic genius and impeccable timing are welcome 🙏 thanks Chuck 👍
Thank you NDT for walking 🚶♂️ us through this amazing field of study… you are a role model
Bro photons are savage
Hi, StarTalk Channel!
introduced a caption for Portuguese – Brazil. Please! ❤🇧🇷
Electricity is a process
Can you guys recommend book every
Many light years ago?
Chris Wskefeild's question at 14:00 😂🤣 you are a legend Sir. Kiss the Vat.
Chuck Nice should play a Marvel Superhero..
earth is flat! your all being lied too
Im workin at home.ı got aglass of wine.watchin my favorite show.Blackholes rock.
Just to black men playing with a black hole
4:30… a question about hawking radiation.
So roughly speaking…gravity is the thing that "escape" blackhole?
also how can a static gravitational field transmit energy like that? From my intuition, it's the fluctuation of field that transmit energy….for instance, you can create particle-anti-particle-pair when you have an oscillating charged particle generating an oscillating field. If you have a static charge….it can't create particle-anti-particle-pairs, no?
Or even statics field can generate particle just because of quantum fluctuation (the previous intuition is more like a classical EM field..not a quantum related intuition)
So for an isolated blackhole, it's relevant energystate (a finite temperature ensemble) have particle density around it?…and since it's not an isolated blackhole, we measure those particle density around it as hawking radiation? (If the blackhole is isolated after it had reached thermal equilibrium)?
When we measure hawking radiation (or environment decoherence the blackhole through hawking radiation), the temperature of the blackhole would tend to equilibrate with its surrounding..so when it cools down to the surrounding..it is cold enough to totally disappear
neil is a pompous clown, but that's just my opinion.
I have like ten thousand questions.
I wish someday i can sit you with and talk some stuff.
Sadly I have no friends who are intrested in the Cosmic.
I can't find the video so I'll say it here: the magnetic compass is still important in aviation
the sound and video editing is bit wack at some points for some reason, otherwise great video as always
With the foton question you really blow my mind violently
Amazing stuff!!
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