Profile – Molecules Zone

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if a black hole is a infinatesimal point in space, how does all of the matter to create the mass go in the black hole,
if the gravity of a planet or star dosent affect light, why does the gravity of a black hole infelunce light?, is it
if a planet was completely different to earth, methane atmosphere for example, and the acids that created the first
if (as to current theories as far as i know) there was no time before the big bang, how did the big bang happen because
if humans had children in space would we evolve to zero gravity and if so would this happen quickly (ie 2 or 3
As most of atoms are empty space (ie imbetween electron and nucleus) how come we dont just drift through other objects?
if all molicules are made of smaller molicules- are there theoretically infinately small molicules makeing slightly