1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Proving ellipse shape of earth orbit?

  1. Mar 7, 2006 #1
    hi, i am secondary student, can anybody help me to find a site in proving ellipse shape of earth orbit? and also those site which help you in understanding Principia?
  2. jcsd
  3. Mar 7, 2006 #2


    User Avatar

    Staff: Mentor

  4. Mar 7, 2006 #3
    search for kepler's 3 laws proofs. one of them is for the elliptic.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook