Garik Israelian is a spectroscopist, studying the spectrum emitted by a star to figure out what it’s made of and how it might behave. It’s a rare and accessible look at this discipline, which may help us an Earthlike planet friendly to life. (Recorded at TEDGlobal, July 2009, Oxford, UK.Duration: 15:52)
Twitter URL: http://on.ted.com/3Z
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