Astronomy

1. The phase of the Moon after a Full Moon.
4. The name of the star in the center of the Solar System.
5. The planet that appears to look like the Earth's Moon.
6. The phase of the Moon when it appears from Earth to start to be lit up.
7. The only planet in the Solar System with flowing, liquid water.
9. The phase of the Moon when it appears completely dark from Earth.
11. A dwarf planet that is part of the Kuiper Belt.
12. The spinning of a planet on it's axis causing day and night.
13. The name of the only natural satellite orbiting the Earth.
17. The planet that is a gas giant and has the most moons.
18. the invisible line that goes through the north and south pole of the Earth.
19. The amount of the Moon that is always lit by the Sun's rays.
20. The hottest planet.

1. The phase of the Moon just before a New Moon.
2. The only planet invaded by robots.
3. The planet with ice and rock rings.
8. The one orbit or full movement of a planet in one year around the Sun.
10. The phase of the Moon when it appears from Earth almost completely lit up.
14. The planet that is farthest from the Sun in the Solar System.
15. The phase of the Moon when it appears completely lit up from Earth.
16. The planet that is tilted on it's side.