3rd law of planetary motion

1. Apr 24, 2007

Xiphas

Can someone explain keplar's third law of planetary motion to me with out the math and not to technically, just what does it mean?

2. Apr 24, 2007

cristo

Staff Emeritus
The square of the time period of a planet's orbit (i.e. the square of the time the planet takes to orbit the sun) is proportional to the cube of the average distance between the planet and the sun.