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This is generally suspected to be because of large primordial impacts, much like the one which it is proposed created our moon. I don't think there's anything i
by nfg 14y ago
This is generally suspected to be because of large primordial impacts, much like the one which it is proposed created our moon. I don't think there's anything intrinsic about Goldilocks zone orbiting rocky planets which would lend to tidal-locking with the star.
- mullingitover 14y agoIt's not their distance from the sun, it's the presence of liquid being affected by gravity and creating a tidal bulge. The bulge slows down the planet's rotation via friction, and eventually the planet stops rotating.