Planet Earth is in the Milky Way Galaxy, the cloudy band of light that stretches clear across the night sky. How many galaxies are there in the universe? For years astronomers thought that the Milky Way was the universe. Now we know that there are billions of them. Gail Gibbons takes the reader on a journey light-years away. | Galaxies Galaxies (New & Updated Edition) by Gail Gibbons, Hardcover | Indigo Chapters