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b'Imagine soaring over what may be the solar system\\u2019s most Earth-like world, if you ignore the chill. If funded, the nuclear electric-powered Dragonfly will do exactly this. Principal Investigator Elizabeth \\u201cZibi\\u201d Turtle shares her enthusiasm. Emily Lakdawalla reports on Chang\\u2019e 4, China\\u2019s pioneering lander and rover on the far side of the Moon.\\xa0 Bruce and Mat answer a question that had no answer till New Horizons flew by Ultima Thule days ago. That\\u2019s part of this week\\u2019s What\\u2019s Up. Learn more at:\\xa0 http://www.planetary.org/multimedia/planetary-radio/show/2019/0116-2019-elizabeth-turtle-dragonfly-clipper.html'