| A | B |
|---|
| solar system | the sun and all the space objects traveling around it |
| planet | a large space object that moves around the sun |
| orbit | the path an object follows when it revolves around a larger object |
| ellipse | a football shape (NOT a circle) |
| the inner planets | Mercury, Venus, Earth, and Mars |
| the outher planets | Jupiter, Saturn, Uranus, Neptune, and Pluto |
| asteroid | a space object that orbits the sun between Mars and Jupiter |
| comet | a space object that is made up of ice mixed with dust particles that orbits the sun |
| meteoroid | a piece of metal or rock that orbits the sun |
| meteor | a stray particle from the asteroid belt that has entered Earth's atmosphere |
| meteorite | a meteor that strikes Earth's surface |
