Lost Worlds: Why do we have a moon?

Unexplainable

Vox

Life Sciences, Science, Natural Sciences

4.5 • 2K Ratings

🗓️ 15 June 2022

⏱️ 27 minutes

🔗️ Recording | iTunes | RSS

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Summary

In all our searching of the universe, we’ve never seen another moon like ours. It's big, it's weird, it's played a huge role in shaping our planet. But how did we get it? Every possible story points to cataclysm. This is the second episode of our new four-part series, Lost Worlds. For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our show. Also, email us! [email protected] We read every email. Support Unexplainable by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices

Transcript

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1:00.0	The moon's always been my favorite thing in the sky.
1:08.0	Science writer Rebecca Boyle has a soft spot for the moon.
1:12.0	I think for a lot of people it's like taking for granted is this sort of humdrum thing and galaxies and nebula and stars and planets are more intriguing for people, but the moon is very weird.
1:26.0	In all our searching of the cosmos, we've seen other planets with moons, but we've never seen another moon quite like ours.
1:35.0	The other rocky planets don't even really have moons. Mercury has no moon, Venus has no moon.
1:40.0	Mars does have moons, but they're nothing like our big, white, round planet of a moon.
1:46.0	They're not even really round, they're like potatoes, then they're tiny, like they're just rocks.
1:51.0	The gas giants, like Jupiter and Saturn, those guys, they have tons of moons, big, proper, planet-sized moons.
1:59.0	But they're much, much smaller than their host worlds, relatively speaking.
2:04.0	Armoon? Armoon is huge compared to the size of the Earth, like almost a quarter of the size of our planet.
2:12.0	That makes Armoon the fifth biggest moon in the entire solar system.
	...

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