India is the latest country to launch a mission to the moon. Japan, Russia and the US are all planning missions for later this year. We revisit an episode we made on why we even have a moon in the first place.
In all our searching of the universe, we’ve never seen another moon like ours. It's big, it's weird, and it has played a huge role in shaping our planet. But how did we get it? Every possible story points to cataclysm.
This episode originally ran on June 15, 2022. It is part of our Lost Worlds series exploring scientific mysteries buried in the deep past.
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