Vocabulary #9 & #10

Planet: a large body orbiting a star, such as the sun.

solar system: a star, such as the Sun, and all the objects orbiting it.

asteroid: a rocky, metallic object that orbits the sun.

Kepler's laws: laws that summarize the movement of the planets.

comet: a ball of rock and ice that orbits the sun.

meteoroid: a small asteroid (rock object that orbits the Sun) which may be far out in the solar system or close to the inner planet.

meteor: a meteorid that enters Earth's atmosphere and burns whit a streak of ligth.

meteorite: any part of a meteorid that reaches Earth's surface.