/u/random-dent's posts in /r/askscience

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How do we know that mass compressed into a space below its Schwarzschild radius collapses into a singularity, rather than some non-singularity density?

996 upvotes

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How sure are we that our understanding of the fossil record of ancient megafauna (eg dinosaurs) is a result of their actual abundance vs sampling/survivorship bias?

24 upvotes

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Would the (major) health effects of space flight be detrimental if the person never returned to Earth?

1 upvotes

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Is there a smallest possible unit of time? Relatedly, is time a quantum phenomenon, or a continuum?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do we know that mass compressed into a space below its Schwarzschild radius collapses into a singularity, rather than some non-singularity density?	996
How sure are we that our understanding of the fossil record of ancient megafauna (eg dinosaurs) is a result of their actual abundance vs sampling/survivorship bias?	24
Would the (major) health effects of space flight be detrimental if the person never returned to Earth?	1
Is there a smallest possible unit of time? Relatedly, is time a quantum phenomenon, or a continuum?	1