EARTH, SUN, MOON

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Across
  1. 1. a chunk of rock or dust in space, generally smaller than an asteroid
  2. 7. a pattern or group of stars that people imagined to represent a figure, animal or object
  3. 8. the partial or total blocking of one object in space by another
  4. 11. a measure of the force of gravity acting upon an object
  5. 12. a large round pit caused by the impact of a meteoroid
  6. 14. either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
  7. 16. THE STREAK OF LIGHT PRODUCED WHEN A SMALL OBJECT BURNS UP ENTERING THE EARTH'S ATMOSPHERE; SHOOTING STAR
  8. 17. the tendency of an object to resist a change in motion
  9. 18. imaginary line that passes through Earth's center and the North and South poles
  10. 22. giant ball of hot gas, mainly composed of Hydrogen and Helium
  11. 23. A COLD MIXTURE OF DUST AND ICE THAT GIVE OFF A LONG TRAIL OF LIGHT AS IT APPROACHES THE SUN
  12. 25. movement of one object around another
  13. 26. either of the two days of the year on which neither hemisphere is tilted toward or away from the sun
  14. 27. the attractive force between objects; the force that moves objects downhill
  15. 28. dark, flat areas on the moon's surface formed from huge ancient lava flows
Down
  1. 2. spinning of Earth on its axis
  2. 3. the blocking of sunlight to Earth that occurs when the moon is directly between the sun and Earth
  3. 4. AN OBJECT THAT ORBITS THE SUN, IS LARGE ENOUGH TO HAVE BECOME ROUNDED BY ITS OWN GRAVITY AND HAS CLEARD THE AREA OF ITS ORBIT
  4. 5. the darkest part of a shadow
  5. 6. a system of organizing time that defines the beginning, length, and divisions of a year
  6. 9. different shape of moon you see from Earth
  7. 10. the part of a shadow surrounding the darkest part
  8. 13. the blocking of sunlight to the moon that occurs when Earth is directly between the sun and moon
  9. 15. the tide with the least difference between consecutive low and high tides
  10. 16. a measure of how much matter is in an object
  11. 19. A BODY THAT ORBITS A PLANET
  12. 20. path around another object; for Earth an elongated circle around the sun called an ellipse that takes 365 days to complete
  13. 21. a push or pull exerted on an object
  14. 24. the tide with the greatest difference between consecutive low and high tides