| Mercury, Venus, Earth, and Mars are ____ (rocky) planets. |
60 |
| The distance between the Earth and Sun is one ____ unit. |
astronomical |
| The Earth is the ____ planet from the Sun. |
eighth |
| Neptune is the ____ planet from the Sun. |
fifth |
| Venus is the ____ planet from the Sun. |
oblate |
| Jupiter is the ____ planet from the Sun. |
second |
| Both Jupiter and Saturn have more than ____ moons. |
terrestrial |
| The Earth is a slightly ____ spheroid (flatten at the poles). |
third |
