What Reality Looks Like Inside a Black Hole

本站添加: 2026-05-05

[00:00:00]All right, this is Tom Lind- Lindelius who says um "Greetings from Uppsala."

[00:00:07]>> Uppsala?

[00:00:07]>> Uppsala, Sweden. Yes.

[00:00:10]>> There was a important observatory there.

[00:00:12]Oh.

[00:00:12]>> From the early 19th or early 20th century. Out of the 19th I probably goes earlier, but the data that I've seen from them Right.

[00:00:19]>> uh is is quite relevant and significant.

[00:00:22]They were a player in that space. Okay, go on. Uh he says, "If our universe actually existed inside a black hole, wouldn't everything seem to be converging into a single point, the singularity, rather than expanding?

[00:00:34]Also, wouldn't we be able to spot any evidence of spaghettification, like large galaxies or gas clouds appearing stretched? Thanks in advance." The the spaghettification happens when you get very close to the singularity. Right. The bigger the black hole, the less the spaghettification is at the outer edge at the outer edges.

[00:00:59]>> Right. At the In the beginning, you're just falling.

[00:01:01]>> You're just falling through. Right. If we are in a black hole and our black hole is the size of our universe, Right.

[00:01:07]>> then the spaghettification is not a thing. Right.

[00:01:11]>> Okay? Which was which is occupying the volume inside the black hole.

[00:01:15]>> And we're not the collapsed system like when a star collapses to make the black hole in the first place.

[00:01:21]>> Right. So, uh yeah, to spaghettification is not an inevitable fact of a of falling into a black hole. Okay. All right. Very cool.

[00:01:31]Give me another one. All right, this is uh Ryd, r y d. Hey, Dr. Tyson, Lord Nice Remy from Nantes, France. Love this show. If black holes are actually newborn universes with different physics, can a wormhole cross them or get us out of our own universe or are space-times separated and we're just stuck?

[00:01:53]>> Yeah, I I I do not know for sure, but everything I know about wormholes tells me they can get you anywhere.

[00:02:00]>> Anywhere. And if there's for example if there's a multiverse, there's another universe over here, in principle, you should be able to pop a wormhole >> tunnel the tunnel to that multiverse.

[00:02:09]>> multiverse.

[00:02:11]However, Mhm. in a multiverse, every universe has slightly different laws of physics.

[00:02:16]>> not good.

[00:02:16]>> That's not >> [laughter] >> That ain't no So, here's you. So, you open the open the portal and then like flip a coin through there and then they grab it. If they explode or or disintegrate, the coin melts Right. Or then you're staying >> staying right here.

[00:02:32]>> [laughter] >> Exactly. So, so into a So, that's another universe in the same way the forward-facing universe in a black hole would be in another universe. I don't see any reason why a black hole couldn't connect any any two of those. And that's exactly what Rick's Rick has his >> The portal gun.

[00:02:48]>> the portal gun Right.

[00:02:50]>> and Morty. There you go. Mhm. All right, [clears throat] this is Kristoff Demassena who says, "Hello Dr. Tyson, Lord uh no >> a e s e n e r.

[00:03:02]>> Massena. Okay.

[00:03:03]>> who says, "Hello Dr. Tyson, Lord Nice Kristoff calling from Belgium. Love it.

[00:03:08]I know that the answer today would be we'll get spaghettified, but let's suppose our current limits in technology aren't an issue. What would it take to fend off a black hole coming towards our solar system? A mission like Dart would be out of the question because it would get equally spaghettified. Curious to hear your encounter your encounter apocalypse ideas. So, a black hole is coming at us.

[00:03:34]>> yeah, in my day what you would say is kiss your ass goodbye. Right. [laughter] Or but more seriously, what we would have to do is get all the rockets we have, Mhm. attach it to the side of the Earth and get us the hell out of the solar system before the black hole gets close enough.

[00:03:53]>> Literally spaceship Earth is the answer.

[00:03:56]>> Because there's you're not you can't touch the black hole.

[00:03:58]>> right.

[00:03:59]>> You can't nudge it out of the way.

[00:04:01]>> Right. There's nothing you can do to the black hole.

[00:04:03]>> hole. And if you are on the course to fall into it, once you get to that [clears throat] event horizon, it's over.

[00:04:10]>> It's over. It's over. So, you want to move Earth to another place, ideally to another star system. Right.

[00:04:15]>> Cuz you we value >> Yeah, cuz we need sunlight.

[00:04:17]>> sunlight.

[00:04:17]>> Right.

[00:04:18]>> Exactly.

[00:04:18]>> All right, very cool. Good.

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