All Questions
Tagged with big-bang-theory expansion
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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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Why is the Cosmic Microwave Background evidence of a hotter, denser early Universe?
In his book Gravitation and cosmology, Steven Weinberg says that CMB makes it "difficult to doubt that the universe has evolved from a hotter, denser early stage".
In my understanding, the ...
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Is the expansion of the universe proof of the big bang?
Is the expansion of the universe proof of the Big Bang theory?
Or are there other proofs?
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