Astronomy - spectroscopy - 2/3

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Uploaded by on Jul 11, 2009

A good basic introduction to what spectroscopy is and how it's used in astronomy.

See http://en.wikipedia.org/wiki/Spectroscopy and so on for more detailed information.

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Science & Technology

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  • very helpful and informative. thanks for posting!

  • i am working on a chemistry prensentation, 8-10 min :(, and this video was the first helpful thing i was able to find and understand all day. Thanks so much for posting it!

  • How can we know that the light from stars for instance our sun, has absorption line due to atoms in our atmosphere ?..

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