Astronomy

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Across
  1. 2. attracts all objects towards each other
  2. 3. a meteoroid that passes through the atmosphere and hits Earth's surface
  3. 5. fifth planet from the sun; largest planet
  4. 9. the phase of the moon when it is more than half but less than fully illuminated
  5. 10. an eclipse of the sun is a ____________ eclipse
  6. 11. type of galaxy that look like giant pinwheels
  7. 12. an oval shape, which may be elongated or nearly circular.
  8. 13. third planet from the sun
  9. 15. Jupiter, Saturn, Uranus, and Neptune are considered to be the __________ planets
  10. 16. the central, darker part of a shadow during an eclipse
  11. 17. Mercury, Venus, Earth, and Mars are considered to be the __________ planets
  12. 18. the phase of the moon when it is invisible from Earth because it passes directly between the Earth and the Sun
  13. 20. an eclipse of the moon is a ____________ eclipse
  14. 22. the shape of the moon in its first or last quarter, resembling a curved shape that is pointed at each end
  15. 29. to gradually decrease the part of the surface that is illuminated or seems to get smaller, until the new moon
  16. 30. the lighter part of a shadow during an eclipse where light is partially blocked
  17. 33. the phase of the moon that occurs a quarter of the way through the moons revolution. The face appears half-illuminated
  18. 34. the path that Earth follows as it revolves around another
  19. 35. states that Earth is at the center of revolving planets and stars.
Down
  1. 1. rocky objects revolving around the sun that are too small and numerous to be considered planets.
  2. 4. states that Earth and the other planets revolve around the sun.
  3. 6. type of galaxy that are shaped like stretched-out circles, or ellipses
  4. 7. the moon or phase of the moon when it looks like a full circle
  5. 8. to gradually increase the part of the surface that is illuminated or seems to get bigger, until the full moon
  6. 14. a loose collection of ice, dust and small rocky particles,typically with a long, narrow orbit of the sun.
  7. 16. seventh planet from the sun
  8. 19. first planet in the solar system
  9. 21. the spinning of Earth on its axis
  10. 23. sixth planet from the sun
  11. 24. the tendency of an object to resist a change in motion
  12. 25. eighth planet from the sun
  13. 26. second planet from the sun
  14. 27. a chunk of rock or dust in space.
  15. 28. type of galaxy that doesn't have a single common shape
  16. 31. fourth planet from the sun
  17. 32. the movement of one object around another