I mean, we know that earth is rotating “eastward” and orbiting “prograde” in relation to the sun. But why those directions? Considering that there is a westward rotation and a retrograde orbiting.
In: Physics
Well, back when all the planets formed, there were most likely a lot more than today. Those were the ones who would orbit the other direction or in a different angle. They’re not here anymore today because they collided with other planets and were destroyed. All the other ones that started orbiting into the same direction with the same angle kind of survived and are still around today
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