The Galaxy

v.1. Asteroids: Describes the formation, surface features, and exploration of asteroids, including the search for near-Earth asteroids.

v.2. Comets: Describes the formation, exploration, and parts of a comet, including how people have perceived comets throughout history.

v.3. Meteors and meteorites: Discribes what meteors and micrometeors are, and describes the different types of meteorites, including lunar and martian meteorites, and how meteorites form craters.

v.4. Stars: Explores how stars form and create energy, including descriptions of black holes, constellations, and the movement of stars.