Solar System

2. The outer planets are this.
4. This planet has dark-colored storms, and many moons, and is the eighth/farthest planet from the sun.
7. This planet has iron oxide, and polar ice caps, and is the fourth planet from the sun.
11. This is when the Moon moves completely into Earth's umbra.
14. This is the turning of Earth on its axis.
15. This is the basic shape of every planet’s orbit.
17. This is what causes the Earth's tides.
18. Moon phase in which none of the lighted surfaces of the Moon can be seen from Earth is called this.
20. This planet is the seventh planet from the sun.

1. These are caused by the direction Earth’s rotational axis is pointed with respect to the Sun.
3. This planet has no atmosphere and is also the first planet from the sun.
5. This planet is the largest planet and the fifth planet from the sun.
6. This used to be a planet but now is a dwarf planet.
8. The inner planets are this.
9. This planet has the most complex ring system and is the sixth planet from the sun.
10. The yearly orbit of Earth around the Sun is called this.
12. This is when the Sun's rays strike Earth directly at the equator.
13. This planet is the second planet from the sun.
16. The basic astronomical unit is the distance Earth, the planet the scientists live on is from this place.
19. Moon phases are the changing appearances of the Moon from this place and this is the third planet from the sun.