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[-] uphillbothways@kbin.social 20 points 10 months ago* (last edited 10 months ago)

It's tidally locked to earth. Earth isn't tidally locked to it. Happens slowly due to gravity and differential mass. Relatively stable satellites end up tidally locked given the time. Pretty sure lack of water/liquids/atmosphere hastens the process.

[-] Bassman1805@lemmy.world 32 points 10 months ago* (last edited 10 months ago)

Yeah, Earth's moon isn't the only satellite to tidally lock to its planet. In fact, several are.

Photos and Deimos are tidally locked to Mars. 8 of Jupiter's moons and 15 of Saturn's. Pluto and Charon.

Mercury is tidally locked to the sun, but it's in 3:2 resonance rather than 1:1.

[-] DharmaCurious@startrek.website 11 points 10 months ago

Guys please upvote we all need an eli5

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this post was submitted on 21 Dec 2023
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