How Galaxies Are Disappearing From Our Universe

StartsWithABang writes: You've heard of dark energy before, and you know that it causes the expansion of our Universe to be accelerating. Instead of slowing down, distant galaxies are speeding up in their recession from us, rendering them unreachable from our point of view. But even though we can't see the light emitted from them today, we can still see the galaxies themselves! This article explains how this works, how no information gets lost, and what it means for the Big Bang.

Comments

Pretty simple, really

[Anonymous Coward]

It's more likely they can't stand the insufferable whiners on the internet who can't stop talking about how horrible the world is.

How galaxies are disappearing from our universe.

[BarbaraHudson]

Granted we can no longer see them, but that's a pretty arbitrary assumption to say that they have disappeared from our universe, any more than it's okay to say that it's us who disappeared. Even if we can't see them, it's a safe bet that they're still governed by the same laws of physics we are. It would be really strange if their (or our) laws of physics suddenly changed just because we can't see each other any more. Not being able to see each other is just one consequence of those laws in the universe we continue to share.