| The Moon is three times larger than ____. |
Ceres |
| Nicolaus ____ proved that the planets orbit the Sun. |
Copernicus |
| The ____ comet was discovered in 1995. |
Hale-Bopp |
| The ____ comet can be seen about every 75 years. |
Halley |
| ____ is the hottest planet due to a runaway greenhouse effect. |
Jupiter |
| ____ orbits between Jupiter and Neptune. |
Pluto |
| The only dwarf planet in the asteroid belt is ____. |
Saturn |
| The Great Red Spot is a persistent storm on ____. |
Venus |
