Liquid Water Under the Martian Polar Ice? Maybe Not

Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

Science, Technology

4.8 • 1.4K Ratings

🗓️ 1 September 2021

⏱️ 43 minutes

🔗️ Recording | iTunes | RSS

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Summary

New research indicates that what appeared to be liquid water hiding under Mars’ polar ice may actually be a form of clay.

Transcript

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0:00.0	Liquid water lakes under the Martian South Pole, maybe not, this week on planetary radio.
0:08.3	Welcome, I'm Matt Kaplan of the Planetary Society, with more of a human adventure across
0:16.6	our solar system and beyond.
0:19.4	Mars Odyssey Project Scientist Jeff Plough is back, this time joined by York University's
0:24.8	Isaac Smith.
0:26.3	They have contributed to a new explanation for those radar reflections from the Martian
0:31.5	South Pole that we, well, I, hoped, were big pools of water.
0:37.4	Jeff and Isaac will tell us we're not yet sure they aren't, but our excitement back
0:42.4	in 2018 may have been misplaced.
0:45.0	We're also going to welcome back planetary society editor Ray Paletta.
0:50.4	She has written a great article about the search for Earth-like exoplanets.
0:54.5	There could be billions and billions of them in our own galaxy.
0:59.4	And we'll wrap up by looking up with planetary society chief scientist Bruce Betts.
1:05.2	The 2021 Humans Demar Summit from Exploramars is now less than two weeks away.
1:10.9	I now know that I'll be moderating three great discussions, including the climactic closing
1:16.2	conversation that asks why Mars.
1:19.4	It's all online and all free.
1:21.8	You can register at Exploramars.org.
1:25.2	And that link is on this week's episode page at planetary.org slash radio.
1:31.0	It runs September 13 through 15.
1:33.9	Really, all the best Martians will be there.
1:38.0	What is that striking image atop the August 27 edition of the downlink?
	...

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