Water, water everywhere with Bethany Ehlmann

Water, water everywhere with Bethany Ehlmann

Planetary scientist Bethany Ehlmann has co-authored a paper presenting evidence that liquid surface water flowed on Mars as much as a billion years more recently than previously thought. That’s an extra billion years for possible life to have formed and thrived. We’ll also join Planetary Society editor Rae Paoletta as she explores water worlds throughout our solar system in a new article. Another great prize awaits the winner of the What’s Up space trivia contest. Discover more at https://www.planetary.org/planetary-radio/2022-bethany-ehlmann-mars-water

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Episoder(1315)

Syzygy science: Discoveries made during total solar eclipses

Syzygy science: Discoveries made during total solar eclipses

Planetary Radio marks its last show before the Apr. 8 total solar eclipse with a look back at discoveries made during totality. Planetary Society science editor Asa Stahl shares why solar maximum is e...

3 Apr 202457min

Eclipse Tips: A guide to safe observing and astrophotography

Eclipse Tips: A guide to safe observing and astrophotography

On April 8, 2024, a total solar eclipse will sweep across North America. Ron Benner, the President of the American Optometric Association, joins Planetary Radio to share safety tips to protect your ey...

27 Mar 202459min

The asteroid hunter

The asteroid hunter

Behind every space mission is a tale of hard work, love, and perseverance. Dante Lauretta, the principal investigator for NASA's OSIRIS-REx mission, joins Planetary Radio to share stories from his new...

20 Mar 202456min

Tales of totality: The adventures of an eclipse chaser

Tales of totality: The adventures of an eclipse chaser

The countdown is on! With less than a month until the total solar eclipse on April 8, 2024, Planetary Radio is buzzing with anticipation. This celestial event will sweep across Mexico, the United Stat...

13 Mar 202459min

Geothermal activity on the icy dwarf planets Eris and Makemake

Geothermal activity on the icy dwarf planets Eris and Makemake

A team co-led by the Southwest Research Institute has made a groundbreaking discovery, revealing evidence of hydrothermal or metamorphic activity on the icy dwarf planets Eris and Makemake in the Kuip...

6 Mar 20241h 8min

Space Policy Edition: The ahistorical era of commercial lunar exploration

Space Policy Edition: The ahistorical era of commercial lunar exploration

The successful landing of IM-1 on the Moon ushered in a new era of commercial lunar exploration, one that has little to no historical precedent. The future, still highly uncertain, is rich with promis...

1 Mar 20241h 5min

The legacy of Red Rover Goes to Mars

The legacy of Red Rover Goes to Mars

Over two decades ago, an innovative partnership between The Planetary Society, NASA, and LEGO created the Red Rover Goes to Mars program. Today, we reflect on the program's remarkable achievements wit...

28 Feb 202456min

OSIRIS-REx becomes APEX

OSIRIS-REx becomes APEX

After NASA's OSIRIS-REx spacecraft's successful sample retrieval from asteroid Bennu, it's onto its next adventure as OSIRIS-APEX, the Apophis Explorer. Scott Guzewich, deputy project scientist for AP...

21 Feb 202455min

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