this post was submitted on 16 Jul 2023
73 points (98.7% liked)

Today I Learned (TIL)

6544 readers
3 users here now

You learn something new every day; what did you learn today?

/c/til is a community for any true knowledge that you would like to share, regardless of topic or of source.

Share your knowledge and experience!

Rules

founded 2 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] Canuck1701@lemmy.ca 2 points 1 year ago

It does basically look stationary, but if you know the masses of the planet and the star and know the radius of orbit, then you can determine what the speed must be for it to be a stable orbit.