1. The
Solar
System
Earth,
Moon, and
Sun System
The
Solar
System II
Studying
Space
Astronomy
and Time
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2. This is the third planet from the sun.

3. What is the Earth?

4. What separates the outer planets from the inner planets?

5. What is the asteroid belt?

6. This is the region of the solar system that is just beyond the orbit of Neptune and that contains small bodies made mostly of ice.

7. What is the Kuiper belt?

8. The asteroid belt can be found between these two planets. .

9. What are Mars and Jupiter?

10. The is the order of the planets from the sun outward.

11. What are Mercury, Venus, Earth Mars, Jupiter, Saturn, Uranus, and Neptune?

12. The gravitational pull of the moon on Earth, as well as the movement of Earth and the moon around each other, creates this.

13. What are tides?

14. This is the name and a sketch of the moon phase which occurs at point 3.

15. What is first quarter?

16. This is the name and a sketch of the moon phase which occurs at point 6.

17. What is waning gibbous?

18. This is the name and a sketch of the moon phase which occurs at point 5.

19. What is the full moon?

20. This is the name and a sketch of the moon phase which occurs at point 1.

21. What is the new moon?

22. This is the name and a sketch of the moon phase which occurs at point 8.

23. What is the waning crescent?

24. These are the names of the two tiny, irregularly shaped rocky moons of Mars that may be captured asteroids.

25. What are Phobos and Deimos?

26. This planet is often called “Earth’s twin” because it is similar in mass and diameter to the Earth.

27. What is Venus?

28. This planet has the most complex ring system.

29. What is the Saturn?

30. This is the rotating cloud of gas and dust from which Earth’s solar system formed.

31. What is the solar nebula?

32. Young Earth formed a core, mantle, and crust in a process named this.

33. What is differentiation?

34. Galileo is known for being the first person to use this instrument to study space.

35. What is the telescope?

36. This was the first person on the moom.

37. Who is Neil Armstrong?

38. This space-based telescope has improved our understanding of the universe the most.

39. What is the Hubble Space Telescope?

40. This is what a star’s dark-line spectrum reveals.

41. What is the star’s composition and temperature?

42. Astronomers learn about stars by study this.

43. What is the light that stars emit?

44. This is how we determine the measurement of a year.

45. What is the Earth’s revolution around the sun?

46. The measurement of a day is determined by this.

47. What is the rotation of Earth on its axis?

48. The measurement of a month is based on this.

49. What is the moon’s motion around Earth?

50. This is the cause of Earth’s seasons.

51. What is the tilt of Earth’s axis?