Alt text: They're up there with coral islands, lightning, and caterpillars turning into butterflies.
this post was submitted on 20 Dec 2025
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Exoplanets could have tides too though...
It's unlikely that there are many exo planets with a moon as big as the Moon. Much more likely to have small ones like Mars. Mercury, Venus and Mars are all great examples of bad shit that can happen to planets: Tidally locked + too close to the sun, rolled over on the side, and finally Mars too small to maintain a molten core and magnetic field. The Moon helps avoid the Venus situation and maybe the Mars problem.
Our moon has a name, it's Luna
Do you think "big enough moon" is going to be similarly rare to "liquid water"? We're getting better and better at finding planets. Not sure how we'd find their moons though.
It does seem like figuring out their moon situation is still pretty speculative...