Determine the period of Saturns moon “Mimas”. Saturn has a mass of 5.68 x 10 to the 28th power kg and Mimas is about 1.87 x 10 to the 8th power away from Saturn.

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

More solar radiation is absorbed by earth’s surface than by

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?