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Flowing Water on Mars? Not So Much _on Planetary Radio

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Flowing Water on Mars? Not So Much

Mars scientists dubbed them recurring slope lineae or RSLs. They sure looked like evidence of liquid water flowing down hillsides and ridges on the Red Planet. New research led by US Geological Survey Planetary Geologist Colin Dundas says they are probably no more than dry sand and dust. Emily Lakdawalla reports that NASA has narrowed the choices for the next New Frontiers mission to a Titan or a comet lander. And its time for the last 2017 Whats Up look around the night sky by Bruce Betts. Related links are here: http://www.planetary.org/multimedia/planetary-radio/show/2017/1227-colin-dundas-rsl-water.html
Featured speakers: Senior Editor Emily Lakdawalla, Bruce Betts, Mat Kaplan


This show was broadcast on February 6, 2018.

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