| Answer | Crossword Clue |
|---|---|
| SOLAR | Like Earth's orbit |
| OVAL | Shape of Earth's orbit |
| ECLIPTIC | The plane of the earth's orbit around the sun |
| LUNAR | Like a certain orbit |
| PERIODIC | Like a planetary orbit |
| RETROGRADE | Like the orbit of Halley's Comet |
| APOGEAL | Like the highest point in an orbit |
