Aliens, space ships, and constellations, oh my! Ride on a rocket ship to another galaxy with this stellar book. With The Everything Kids' Astronomy Book, astronomers-in-training will learn: How galaxies like the Milky Way were built. Why the sun's surface is 20,000-50,000-degrees Fahrenheit. Why the earth spins and how gravity works. What comets and asteroids are made of and how they affect planets. The truth about the man in the moon.