All Questions
3
questions
0
votes
1
answer
193
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Are black holes the edge of our universe?
Are black holes the actual edge of the universe? Because spacetime is another dimension, I would assume the universe doesn’t have perceived corners or edges. At least humans cannot perceive it.
The ...
- 11
2
votes
1
answer
194
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De Sitter Universe and Black Holes
A De Sitter universe is one where all matter is ignored so $H$ is a constant
$$H = \sqrt{\frac\lambda c}.$$
In this type of universe can you calculate the event horizon of a black hole just by ...
- 35
11
votes
3
answers
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Is the edge of our Hubble Sphere within our Cosmic Event Horizon and why?
I was recently shown a pretty cool video about common cosmological misconceptions. It got me reviewing the different between event horizon (current distance within which we will see/interact), ...
- 14.2k