| A | B |
|---|
| star | a massive ball of hot gasses that produces its own light |
| axis | an imaginary line around which Earth spins |
| rotation | a complete spin on an axis |
| revolution | one complete trip around the sun |
| phase | stages, or different ways that the moon looks |
| lunar eclipse | Earth's shadow moving across the moon |
| telescope | a tool that gathers lots of light and magnifies objects that are far away and makes faint stars easier to see |
| constellation | a group of stars that make a pattern |
