Ep. 502: No Touching: Determining Composition of Worlds Remotely
Full Raw Episode with Q&A
365 Days of Astronomy - Weekly Edition · [email protected]
October 22, 201850m 48s
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Show Notes
How do you know what something is made of if you can't reach out and touch it? How do we know what planets lights years away have in their atmosphere? What about the rocks all around Curiosity? Or the geysers coming out of Europa and Enceladus? Scientists have a few handy tricks.