Crossword science

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Across
  1. 3. A huge mixture of gases, dust, stars, planets and other objects that are held together by their own gravity
  2. 5. A huge ball of gas that is so heavy that it causes nuclear reactions within itself. This produces heat and light
  3. 8. An object in a stable orbit around a much larger object
  4. 10. The farthest artificial satellite from the earth
  5. 11. Dwarf planet of the Solar System
  6. 13. Second closest planet to the Sun
  7. 16. planet more closest to the sun
  8. 17. Seventh planet from the Sun and is the third largest planet in our Solar System
  9. 21. Closest star to Earth
  10. 22. Was the first asteroid to be orbited and landed on by a spacecraft
  11. 24. Eighth planet in the Solar System closest to the Sun
  12. 25. Is a large comet about 37 miles (60 kilometers) in diameter
  13. 26. Provided the first-ever simultaneous 3D observations of the Sun
  14. 27. America's first asteroid sample return mission.rst asteroid sample return missionAmerica's first asteroid sample return mission
  15. 28. Is a fresh periodic comet. It has made only a few close passes by the Sun, which is why it was selected for the first comet sample return mission Stardust
Down
  1. 1. Is the most famous of comets, featured in the Bayeux tapestry, which chronicles the Battle of Hastings in 1066
  2. 2. Travel through the Sun’s atmosphere
  3. 4. People who travel beyond the Earth's atmosphere
  4. 6. It rotates so fast that the spin deforms it shape
  5. 7. Planet we live on
  6. 9. The second brightest object in the kuiper belt
  7. 10. Is the second most massive body in the main asteroid belt, accounting for almost nine percent-vesta mass of all asteroids
  8. 12. Makes up almost a third of the asteroid belt's total mass, but it is still far smaller than Earth's Moon
  9. 14. Sixth planet of the Solar System
  10. 15. It is the only celestial body in which the human being has made a manned descent
  11. 16. Fourth planet in the Solar System closest to the Sun
  12. 18. a large rocky object that orbits a star but is too small to be a planet
  13. 19. Is a giant metal asteroid composed mostly of metallic iron and nickel similar to Earth’s core
  14. 20. The biggest planet on the solar system
  15. 23. Was first to explore Pluto up close