What country was America competing against in space race?

Are solar batteries commonly used by NASA? Did man really land on the moon? What theory says to the universe is expanding at the great speed? What is the pull of gravity between earth and the moon was much less how would this affect the oceans? Why does a blue hat look black when it is in a dark room? Why did they build the antennas on the top of the Sears Tower? At one point there was one giant mass on earth named? What is an alticumulus cloud? If a planet had an average distance of 10 au what would it's orbital period be? How do people get titties on their ear? Who discovered the constellation Hercules? What is xerophtyes? How fast is the comet moving through space? Did man actually land on the moon? Is the sun 7926 daimeter miles? What is a group of young stars called? Which is half moon either first quarter or last quarter? What do the solar arrays do the hubble telescope? What color is the red giant that is in space? Can the energy in coal be traced to the sun?