What would have happened to Venus if it had had a moon?

Venus would most definitely have evolved differently had it had an earth sized moon. The Earth's moon formed during the collision of a Mars sized planet with the young earth. read more

Venus would most definitely have evolved differently had it had an earth sized moon. The Earth's moon formed during the collision of a Mars sized planet with the young earth. If we assumed this happened to Venus as well, consider this a very different evolution from the onset. read more

Unlike what would have happened with Earth, the formation of any moon of Venus may have occurred much earlier, shortly after the formation of the solar system, Stevenson said. read more

Anyway, that may be why Venus doesn’t have any moons. Or maybe Venus just didn’t get hit in the right way: Mars doesn’t have a moon like ours (it has two tiny moons). read more