Space

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Across
  1. 3. to become weaker in strength or influence
  2. 6. something that is related to the moon
  3. 7. the angle between the planet's rotational axis and its orbital axis
  4. 9. The seventh planet from the Sun
  5. 11. a theory in astronomy
  6. 12. a rock that falls to Earth from space
  7. 13. when day and night are of approximately equal length
  8. 15. an astronaut of the Soviet or Russian space program.
  9. 17. a region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found orbiting the Sun.
  10. 23. one of two ice giants in the outer solar system
  11. 25. shooting stars are
  12. 26. moon in which its whole disk is illuminated
  13. 27. a place in space where gravity pulls so much that even light can not get out
  14. 29. often simply means "universe"
  15. 31. an oval-shaped path, like a slightly elongated circle
  16. 34. The fourth planet from the Sun
  17. 35. a gas giant made up mostly of hydrogen and helium
  18. 36. a star of relatively small size and low luminosity
  19. 38. an object hitting the surface
  20. 41. A group of stars seen as forming a figure or design in the sky
  21. 43. a piece of rock
  22. 45. system of two stars that are gravitationally bound to and in orbit around each other.
  23. 46. the moon when half its disk appears illuminated
  24. 48. a piece of glass or other transparent substance
  25. 49. the planet on which we live
  26. 50. around 24 hours is a
  27. 51. fine, dry powder
  28. 52. a small, icy object that orbits the sun
  29. 53. the force that attracts a body toward the center of the earth
Down
  1. 1. a certain phase of the moon, when it's bulging outward but isn't quite full.
  2. 2. how compact or concentrated something is
  3. 4. a celestial body that is in orbit around
  4. 5. third phase of the moon cycle
  5. 8. whose orbits are closer to the sun than the earth's
  6. 10. the moon does what
  7. 14. any region in space outside the solar system
  8. 16. the natural satellite of the earth
  9. 18. a continuous area or expanse which is free
  10. 19. Pluto is known as a
  11. 20. happens when Earth passes through the path of a comet.
  12. 21. a system of millions or billions of stars
  13. 22. the Greek god of the underworld
  14. 24. an occasion when the sun looks like it is completely
  15. 28. an expert in or student of astronomy
  16. 30. The sixth planet from the Sun and the second largest
  17. 31. the great circle that is the apparent path of the Sun among the constellations in the course of a year
  18. 32. womanhood, fertility, intuitiveness, psyche and empowerment.
  19. 33. are the four planets closest to the Sun are called
  20. 37. small, rocky objects
  21. 39. collection of eight planets and their moons in orbit around the sun
  22. 40. the study of everything in the universe beyond Earth's atmosphere
  23. 42. a small body moving in the solar system that would become a meteor
  24. 44. the Roman goddess of love and beauty
  25. 47. a heavy silver-white poisonous metallic element that is liquid at ordinary temperatures