Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Why do certain objects in space orbit others?

  1. Mar 21, 2012 #1
    Is it because of their different masses?
  2. jcsd
  3. Mar 21, 2012 #2


    User Avatar
    Science Advisor
    Gold Member

    It's all about mass. Actually, both bodies orbit each other, just that the more massive body is closer to the center of mass of the system so its motion is less affected than the lesser mass body.
  4. Mar 21, 2012 #3


    User Avatar
    Staff Emeritus
    Science Advisor

  5. Mar 21, 2012 #4
    thanks :)
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook