Subsurface granite on the Moon? The anatomy of a lunar hot spot

Planetary Radio: Space Exploration, Astronomy and Science

The Planetary Society

Technology, Science

4.8 • 1.4K Ratings

🗓️ 2 August 2023

⏱️ 64 minutes

🔗️ Recording | iTunes | RSS

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Summary

Matt Siegler from the Planetary Science Institute shares his team's surprising findings about the granite formation that might lie beneath Compton-Belkovich, a thorium-rich hot spot on the far side of the Moon.

Transcript

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0:00.0	A decade's old mystery on the far set of the moon gets an update.
0:05.3	This week on Planetary Radio.
0:12.9	I'm Sarah Allah mid of the Planetary Society, with more of the human adventure across
0:17.1	our solar system and beyond.
0:20.5	What's stranger than a hotspot on the far set of the moon?
0:24.1	What lies underneath?
0:26.1	Matt Ziegler from the Planetary Science Institute joins us today to talk about the Compton-Balkovich
0:31.2	thorium anomaly and the surprising granite structure that might hide underneath its surface.
0:37.2	Amber Trujillo, our Planetary Society digital community manager, will also join us to talk
0:42.0	about the updates to our space trivia contest as it moves into its new home in our member
0:46.5	community app.
0:48.3	And we'll close out our show with the great Bruce Betts, Chief Scientist of the Planetary
0:52.3	Society, as he joins me for what's up.
0:55.6	In Space News, the James Webb Space Telescope has found water near the center of a planet-forming
1:01.0	disk.
1:02.0	The origin of Earth's water is still unknown, but new insights from the powerful Space Telescope
1:06.5	may shed light on the mystery.
1:08.7	Measurements by JWST's mid and infrared instrument have detected water vapor in a protoplanetary
1:13.6	disk, specifically in the region where rocky terrestrial planets may be forming.
1:18.9	This could suggest that planets like Earth form with water present from the beginning, instead
1:23.6	of having to be seated with water later in their planetary lives.
1:27.9	And Chandra and Threes Journey to the Moon is going well so far.
	...

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