Space Vocabulary 1

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Across
  1. 1. a powerful explosion on the surface of the sun
  2. 2. vast system of stars, gas, and dust, like the Milky Way. They can contain billions of stars.
  3. 5. a naturally occurring object that is observable in space
  4. 6. massive spheres of gas that emit light and heat
  5. 7. the path taken by an object as it moves around another object
  6. 8. large celestial body that orbits a star
Down
  1. 1. the sun and the eight planets and other objects that orbit it
  2. 3. a scientist who studies objects in space
  3. 4. a chunk of dust and ice with a long tail of gas and dust that orbits the sun
  4. 6. an object that orbits a larger body