All Questions
Tagged with big-bang-theory light
7
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Cosmic background radiation - what frequency tells us?
I understand that cosmic microwave background radiation is remnant of the universe after 380,000y of the origin.
To me, this radiation is still a wave which has a microwave frequency and I also ...
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2
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Is Olbers' Paradox Nonsense? [closed]
Ok, this is a bold question, I know. But, let me explain: After first hearing about Olbers' paradox, I found that something seemed 'off' about it, so I looked into the subject as much as my skills (...
4
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How can the universe be expanding faster than speed of light? [duplicate]
So the story goes like this:
A long time ago, 13.799±0.021 billion years to be exact, something happened. It was a big bang, loud explosion and universe came to existence. It grew and grew, and now ...
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(Thought experiment) if we put a huge mirror into space, could we see back in time to the big bang? [duplicate]
This is an addition to this question which is closed:
By putting a mirror in space, would we be able to see into the past?
Imagine there is a supernova a hundred years ago. Lots of people see it but ...
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2
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1
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Gravitational Waves and the Big bang
The Ligo website says "Detecting the relic gravitational waves from the Big Bang will allow us to see farther back into the history of the Universe than ever before."
I find this puzzling. How can a ...
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How far away is the light that would reveal the Big Bang?
I guess theoretically if we could go faster than light, which we clearly cannot, at some point we'd be able to see the big bang itself. Just curious - how far away is that light?
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Why are distant galaxies not visible in the observable Universe?
Assuming that the Universe is and has been expanding ever since its creation (Big Bang theory), the galaxies that are now at the 'edge' (not visible theoretically) must have been (at some point in ...
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