Caleb Scharf Answers Your Questions! - Ask the Expert #12

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Director of Astrobiology at Columbia University Caleb Scharf answers your questions!

Questions:
If space and time are expanding, why isn't matter expanding with it?

Since a star collapses into a white dwarf, then a neutron star and then a black hole...is there any possibility to have another collapse?

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Leave your questions in the comment section or ask it in a video response. An expert will be back to answer 3 more of your questions. Thanks for watching!

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Видео Caleb Scharf Answers Your Questions! - Ask the Expert #12 канала Scientific American Space Lab