Unformatted text preview: is 150 million kilometers from Earth. Once you know the distance from Earth to the sun it is easy to find the sun’s mass. Newton’s third law explains how there is a gravitational force between two objects. The distance between the two objects explains the mass that is necessary for one object to keep the second object at a constant orbital speed. The sun’s mass is about 333,000 times the mass of Earth. By using Kepler’s and Newton’s discoveries we can find the mass of just about anything....
View
Full
Document
This essay was uploaded on 04/15/2008 for the course ASTRO 101 taught by Professor Orozs during the Spring '08 term at San Diego State.
 Spring '08
 Orozs
 Astronomy

Click to edit the document details