Recent content by alex123go

  1. A

    Travel time for apollo to the moon with Kepler's thirs law

    Thank you for ou help. And I will look for the description on internet.
  2. A

    Travel time for apollo to the moon with Kepler's thirs law

    Hi everyone, For one of my project in school, i need to calculate the travel time to the moon. To do that, I thought to use Kepler's third law which is : (2(pi) / P )2 * a3 = GM where : P : period of travel a : major semiaxes (not sure in english, but it is the half the longest radius of the...