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

Comets are in orbit around the Sun, like the planets, but they are on a weird arc where some of the time they are close to the Sun and some of the time are near the outer planets.