Describes the origins, characteristics, and future of the sun, planets, moons, asteroids, meteoroids, and comets.

See incredible stars and planets, and find out the latest space facts, from water on Mars to Planet X.

"Readers will want to grab a telescope and explore the night skies after finishing this overview of our solar system. Our solar system consists of eight planets, as well as numerous moons, comets, asteroids, and meteoroids. For thousands of years, humans believed that Earth was at the center of the Universe, but all of that changed in the 17th century. Astronomers like Nicolaus Copernicus, Galileo Galilei, Johannes Kepler, and Isaac Newton proposed...