| A | B |
|---|
| rotation | spinning of a body on its axis |
| season | time of year characterized by a pattern of temperature and weather trends |
| day | time it takes a planet to complete one full rotation on its axis |
| solstice | sunlight shines at maximum in the Northern hemisphere and minimally in the Southern hemisphere |
| equinox | sunlight shines equally in both the Northern & Southern hemispheres |
| revolution | motion of that a body travels around another body |
| axis_tilt | angular position of earth's poles; 23.5 degrees |
| year | time it takes earth to complete one full revolution around the sun |
| Luna | goddess of the moon |
| maria | volcanic plains on the moon |
| Neil_Armstrong | astronaut who first set foot on the moon |
| Apollo11 | Nasa mission that first landed men on the moon |
| lunar eclipse | condition where the earth blocks sunlight from reaching the moon |
| solar eclipse | condition where the moon blocks sunlight from reaching the part of the earth |
