Planets form when many rocks floating around crash together. These rocks are moving in mostly random directions, so as they accumulate they hit at different angles and each contribute a bit of spin. The end result of many collisions is a planet, and its spin.
adamwho on
It’s just a relative angular momentum at the time the planet was formed.
Which includes large bodies colliding with them during the planetary formation.
It’s also the same reason why the plants are going around the sun the same direction.
It would be very very weird if they all had the same spin rate.
gyroqx on
Venus is just built different
5elementGG on
Actually why would jupiter spin so fast? Wouldn’t it make more sense for smaller planet to spin faster ?
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Planets form when many rocks floating around crash together. These rocks are moving in mostly random directions, so as they accumulate they hit at different angles and each contribute a bit of spin. The end result of many collisions is a planet, and its spin.
It’s just a relative angular momentum at the time the planet was formed.
Which includes large bodies colliding with them during the planetary formation.
It’s also the same reason why the plants are going around the sun the same direction.
It would be very very weird if they all had the same spin rate.
Venus is just built different
Actually why would jupiter spin so fast? Wouldn’t it make more sense for smaller planet to spin faster ?