| A | B |
|---|
| rotation | the complete spin of an object around its axis |
| orbit | the path that an object takes as it travels around another object |
| moon phases | the sequence of changes in the appearance of the Moon |
| lunar | anything related to the Moon |
| lunar eclipse | when the Moon passes through Earth's shadow |
| solar eclipse | when the Moon casts a shadow on Earth |
| apparent motion | the way something appears, or seems, to move |
| axis | a real or imaginary line that an object spins around |
| revolution | to move around another object |
| hemisphere | half of the Earth |
