/u/DadJ0ker's posts in /r/askscience
How does a caterpillar turn into a butterfly at a cellular level? What happens to trigger the various stages? Are their factors that would prevent it or delay it? Or is it inevitable in this species? What causes the cellular change? Is there anything remotely similar in certain human cells?
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So it’s impossible to accelerate to beyond the speed of light. In NGT’s book, he says that a fraction of a second after the Big Bang, all the mass and energy had expanded to about the size of our solar system. That’s clearly above light speed. How?
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How does science reconcile the rules about light speed (can’t accelerate to beyond) with what we know about the Big Bang?
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