Astronomy - spectroscopy - 2/3
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very helpful and informative. thanks for posting!
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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!
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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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This is great
system0system0 2 years ago 5
Good Vid.
mindblast187 2 years ago