Which variables are involved in understanding Kepler's third law of motion? (1 point) period of revolution, period of rotation
eccentricity of orbit, rotational velocity
rotational velocity, distance to sun
orbital velocity, distance to sun

What happens to light waves from a star as the star moves away from earth?

Erosion of the beach is normally a slow process. however, in certain situations, large chunks of shore may wash out to sea. what could cause this to happen?

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.