Galaktyka
(Music) The basic question is, does life exist beyond Earth? Scientists who are called astrobiologists are trying to find that out right now. Most astrobiologists are trying to figure out if...
This is the second of the talks sponsored by RDF A few years ago, I was at a conference and taking questions at the end and uh... I don't usually get hostile questions except from religious...
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There are about 100 billion galaxies in the universe. For roughly 13 billion years they've swarmed around each other, colliding and merging, undergoing rapid star formation and suffering periods of...
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