Unit 12 Vocabulary

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Across
  1. 2. A large, irregularly shaped object made of rock or metal that orbits our Sun or another star
  2. 3. a star-shaped character (*) used in printing, often to mark something important or as a place to add an additional note
  3. 5. inconceivably large or costly; of or relating or to astronomy
  4. 7. an ancient instrument used for estimating the altitude and predicting the position of celestial objects, such as the moon, other planets, and stars
  5. 9. the branch of physics that studies celestial bodies and the universe
Down
  1. 1. a transparent dome on top of an airplane where the navigator makes celestial observations
  2. 4. A scientist who studies the objects in the sky, including planets, galaxies, black holes, and stars
  3. 5. a small, daisy like plant with a star shaped flower
  4. 6. the branch of astronomy that deals with the physical and chemical properties of celestial bodies
  5. 8. a person trained to travel in a spacecraft