During a lunar eclipse, what occurs?
a. the sun's shadow falls on the moon.
b. the moon's shadow falls on the earth.
c. the earth's shadow falls on the moon.
d. the moon's shadow falls on the sun.

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.