Unit 5 - Components of the Universe

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Across
  1. 1. What color are the hottest stars?
  2. 4. ________ is the center of our solar system.
  3. 7. Our sun is classified as which type of star?
  4. 8. What is the name of our galaxy?
  5. 9. Which type of galaxy has an oval shape?
  6. 11. What do planets orbit?
  7. 12. ________ is made of ice and dust and has a tail
Down
  1. 2. This measures the brightness of a star.
  2. 3. This cloud of gas and dust is where stars are formed.
  3. 4. Our galaxy is a __________ galaxy.
  4. 5. These stars are really hot, but have low luminosity.
  5. 6. What do moons orbit?
  6. 10. What is the spectral class?