space

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Across
  1. 1. The total or partial obscuring of one celestial body by another
  2. 3. A large celestial body that orbits a star and has cleared its neighborhood
  3. 5. A massive system of stars, gas, and dust held together by gravity.
  4. 9. The curved path of a celestial object around a star or planet.
  5. 12. High-energy particles or waves emitted by stars
  6. 15. A retired NASA spacecraft designed for reusable orbital missions
  7. 16. A greenhouse gas found in the clouds of Uranus and Neptune
  8. 18. A "dirty snowball" that develops a tail near the Sun
  9. 19. A rocky body orbiting the Sun, mostly found between Mars and Jupiter.
  10. 20. The oval-like shape of certain galaxies or planetary paths.
  11. 21. The whole of all space, time, matter, and energy.
  12. 23. diagram A proportional drawing showing relative sizes or distances
  13. 24. The force of attraction that keeps planets in their paths
  14. 26. The lightest and most abundant element in space
Down
  1. 2. A massive, glowing sphere of plasma held together by gravity
  2. 4. The branch of science that studies the physical universe
  3. 6. The envelope of gases surrounding a planet or moon
  4. 7. A pattern of stars named after a mythological figure or object
  5. 8. A unit of astronomical distance equal to about 6 trillion miles
  6. 10. An object, natural or man-made, that circles a planet
  7. 11. dust: Fine particles of matter scattered throughout space
  8. 13. A recurring arrangement, like the cycle of lunar phases
  9. 14. A vast interstellar cloud of gas and dust
  10. 17. A streak of light caused by a space rock burning in the air
  11. 22. The imaginary line a planet rotates around
  12. 23. A group of interacting celestial bodies, like our Solar one
  13. 25. An uncrewed vehicle used to gather data from deep space