Astronomy Review Crossword

1. It has a ________rotation
3. observers always see the same side of the moon.
4. the planets revolve around it.
5. of Earth on its axis causes the moon to appear to rise and set.
8. from the formation of the solar system – since there is no water and wind, the
9. The moon is a natural _________.
10. Sun and planets revolve around it.
11. This is the outer part of the shadow (partial eclipse).
15. surface has not changed significantly since its formation.
17. The riles are deep running through the maria.
19. The maria are ______areas of smooth region that reflect little sun light – they are
20. One moon day equals 27.3 Earth ______.
21. It is believed that the moon developed in _____stages.
22. Because the rotation and revolution of the moon take the amount of
23. Craters are bowl shaped _______that formed from bombardment with matter left
24. The _________model of the universe, the Earth is the center of the universe, and
27. This occurs when one planetary body passes through the shadow of another.
28. ____________is the Scientific study of the Universe.
29. The highlands are light areas of sloping surfaces which catch and ______sunlight.
30. In the ________ model of the universe, the the Sun is the center of the universe

1. The ____of the Moon falls upon the Earth, causing a solar eclipse.
2. is when the moon is closest to Earth.
4. The Moon has a weak gravity which explains its lack of an__________
6. is when the moon is farthest from Earth.
7. The moon also spins on its
12. The _____is a region on the Earth where the Sun’s light is completely
13. by the Moon
14. The _______material sank to the center, and the least dense went outwards.
16. This occurs when the moon is between the Earth and Sun.
18. The orbit of the moon around the Earth forms this
19. plains of solidified lava;
21. Solar and lunar eclipses occur with almost the same ________.
25. The Moon revolves around the Earth in _____days;
26. The lunar surface is covered by dust and rocks as a result of being bombarded