Planets of the solar system

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Across
  1. 2. orbits of planets around the Sun
  2. 11. representing the earth as the center(former)
  3. 12. during full or new moon, the Sun, the Moon and Earth are all aligned
  4. 14. body of matter in orbit around the sun or a star and thought to be a planet
  5. 15. fading or becoming less strong or powerful
  6. 16. distance in degrees North and South of the equator.
  7. 19. a small fragment of an orbiting body that has fallen to Earth, generating heat
  8. 20. transfer of thermal energy
  9. 21. imaginary line that lies at 0 degrees latitude
  10. 22. tool that astronomers use to see faraway object
  11. 23. fixed luminous point in the night sky which is a large
  12. 24. a gradual decrease in magnitude or extent
  13. 25. force a force that attracts any two objects with mass.
  14. 27. rising position
  15. 28. the star around which the earth orbits
  16. 31. natural satellite of the earth
  17. 34. a space of partial illumination
  18. 36. the collection of eight planets and their moons in orbit around the sun
  19. 37. periodic rise and fall of sea level
  20. 38. has not cleared the area of its orbit of smaller debris
  21. 39. attracts a body toward the center of the earth
  22. 40. a kind of radiation including visible light
Down
  1. 1. time of year during which Earth’s axis is at a 90 degree angle to the Sun
  2. 3. obscuring of the light from one celestial body
  3. 4. distance in degrees East and West of the prime meridian.
  4. 5. point of orbit of a planet closest to the sun
  5. 6. body made of rock and ice
  6. 7. when the Moon passes between Earth and the Sun and the Moon casts a shadow on Earth, blocking Earth’s view of the Sun
  7. 8. spacecraft that travels through space to collect science
  8. 9. tide that occurs during the first- or third-quarter Moon, when the Sun, the Moon, and Earth form a right angle
  9. 10. celestial body moving in an elliptical orbit
  10. 13. optical instrument designed to make distant objects appear nearer
  11. 17. point of orbit is further from the sun
  12. 18. the angular distance of a point north or south of the celestial equator.
  13. 23. short-term periods with specific weather conditions
  14. 26. representing the sun as the center(current)
  15. 27. metallic object
  16. 29. the dark central part of a sunspot
  17. 30. group of stars that form a pattern
  18. 32. he time taken by a celestial body to make a complete round in its orbit.
  19. 33. piece of interplanetary material that falls toward Earth and enters its
  20. 35. action of rotating