By that, I mean, why do planets always orbit… horizontally(?) around the sun. Why not vertically? Space is a 3D space, I’d course. So why would the planets not end up going up as well as sideways?
Edit: Space science is a lot more complicated than I thought, and I am here for this rabbit hole. Ty everyone for your answers so far!
In: 2352
Every planetary body has mass.
Mass creates gravity
Over billions of years each piece of mass pulls and effects the others
The solar system now is effectively the net average of every other body pulling eachother to themselves
It can be overshadowed in general education but gravity has really distant effects, while the sun is obviously the strongest, earths gravatic effect can affect objects over 3 billion light years away
Of course that effect is infinitely miniscule and overpowered by everything else local to affected bodies, but still.
Tldr the solar system is largely flat because everything pulls everything to itself
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