Why do so many spacecraft that are headed across our solar system turn their instruments back to Earth during flybys? OSIRIS-REx was no exception. The answers come from mission scientist Vicky Hamilton. She has also written about the topic in The Planetary Report. Planetary Society CEO Bill Nye helps us ring in the new year, while Bruce Betts leads the first What’s Up of 2019 with exciting news about the night sky. Learn more at: http://www.planetary.org/multimedia/planetary-radio/show/2019/0102-2019-vicky-hamilton-osiris-rex.htmlLearn more about your ad choices. Visit megaphone.fm/adchoices
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Planetary Radio: Space Exploration, Astronomy and Science