Some stargazers are called astronomers. The cooler stars are red. The warmer stars are yellow, arid the hotter stars are bluish white. Isaac Newton built the first reflecting telescope. Franklin Watts, 1979.
Outer space is outside the earth's atmosphere.
Everything is moving through space, even the sun and the Milky Way. The moon spins as it circles the earth, but at a speed that always keeps the same side facing the earth. People who study the sky and stars are called astronomers. Gravity is the strongest force in space. Spacecraft have to go over 17,400 miles an hour to get past gravity's pull.