Star Stuff: How We Know What’s in Space

Louis Abramson tells us what stars are, how they got there, and what they are made of. For the last part of this story, Louis introduces the essential technique of spectroscopy, breaking the light of objects up into the colors of the rainbow to search for the fingerprints of specific chemical elements. Louis teaches us the fascinating  physics of this process and then uses compelling demos so you can wrap you head around how it all works. Exciting!

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Star Stuff: How We Know What’s in Space