THE SOLAR SYSTEM

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Across
  1. 1. A huge ball of hot, glowing gas in space
  2. 4. A natural satellite that orbits a planet.
  3. 6. The Sun and all the objects that orbit around it, including planets, dwarf planets, moons, asteroids, and comets.Sun: The star at the center of our Solar System.
  4. 10. A unit of distance used in astronomy, equal to the distance light travels in one year.
Down
  1. 2. The layer of gases surrounding a planet or other celestial body
  2. 3. All existing matter and space considered as a whole; the cosmos
  3. 5. A small, rocky object that orbits the Sun
  4. 7. The star at the center of our Solar System. It provides light and heat to Earth.
  5. 8. A huge collection of stars, gas, and dust held together by gravity
  6. 9. The curved path that an object in space follows around a star or planet