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Astronomy Cast

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Episode: Episode 6: More Evidence for the Big Bang

Last week's episode started out with a bang- a Big Bang. This week we continue our discussion into the beginning of everything. We present three additional lines of evidence that have led astronomers to the conclusion that our Universe started out as a singularity 13.7 billion years ago, and has been expanding ever since.
Listen Published: Oct. 16, 2006 Download (13MB audio/mpeg)

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