Across
- 3. — A __________ is a celestial body known as a “dirty snowball.”
- 5. — The four planets closest to the Sun, in order, are Mercury, _______, Earth, Mars. Which planet is missing.
- 6. — A __________ is a large, solid, spherical body that orbits a planet.
- 7. — Large chunks of rock in space, perhaps left over from the formation of planets, are called __________.
- 9. — __________ orbits closer to the Sun than Jupiter.
Down
- 1. — Saturn has a __________ average temperature than Mercury because of its greater distance from the sun.
- 2. — The planet closest to the Sun is __________.
- 4. From closest to farthest from the Sun, the planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, ________, Neptune (which planet is missing)
- 6. — The asteroid belt is located between __________ and Jupiter
- 8. — Compared with the gas planets, the terrestrial planets are __________ and closer to the Sun
