Space Crossword

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Across
  1. 5. - The star that is in the middle of our solar system orbit.
  2. 6. small, rocky object that orbits the sun
  3. 7. - An astronomical object made of bright, glowing matter called plasma. They’re held together by gravity and are incredibly hot.
  4. 10. - A small body of matter from outer space that enters Earth’s atmosphere and appears like a streak of light.
  5. 13. Objects made of frozen gases, rock and dust that orbit the Sun.
  6. 14. The area of air and gas that envelopes Earth and other astronomical objects.
  7. 15. - An instrument that allows us to see into space.
  8. 18. A person trained to travel in a spacecraft.
  9. 19. - A large celestial object that acts as a natural satellite to Earth.
  10. 20. A group of stars that form a pattern.
Down
  1. 1. - Everything that exists in space.
  2. 2. - A piece of rock or metal that lands on Earth’s surface.
  3. 3. A scientist who studies the universe.
  4. 4. - A push or pull on an object when it interacts with another.
  5. 5. - An object intentionally placed into space to orbit a celestial body to collect information.
  6. 8. - The force that pulls objects towards the ground.
  7. 9. - When one celestial body blocks light from reaching another by moving between it and its light source.
  8. 11. - The three-dimensional expanse in which all material things exist.
  9. 12. - A regular and repeating circuit that one celestial object takes around another.
  10. 16. - A celestial body that orbits the sun that has sufficient mass for its gravity to overcome rigid body forces and has not cleared the neighbourhood around its orbit.
  11. 17. - A huge collection of gas, dust and billions of stars and their solar systems held together by gravity.