How specific asteroids and comets make repeat appearances after so many years of space is an endless and ever expanding vacuum.

Question

I feel like the answer can only be “ping pong” with another gravitational body, but that seems far too coincidental.

In: Planetary Science

Answer 1

things like comets and asteroids aren’t just floating around in space randomly, they are following an orbit that takes them around big celestial bodies, like a race track. Think of it like a nascar going around a nascar track.