What would happen to Venus if it had a moon like Earth's moon?

This explains why our Moon’s rock chemistry is a lot like ‘Earth, but if you boiled off the easy to melt minerals’, and it doesn’t have a big iron core like Earth (as the Mars-sized body mostly got outer layer). 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. read more

The best I can do is to tell you that Venus orbits the Sun at adistance of 108,208,000 km, the Earth orbits the Sun at a distanceof 152,100,000 km, while the Moon orbits the Earth at a distance of405,400 km. read more