Astronomy Crossword

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Across
  1. 4. When a star "dies," it becomes a ______________.
  2. 6. This is the name of our moon.
  3. 7. This is the fastest thing in the universe.
  4. 13. The study of space is called ____________.
  5. 14. This is the largest planet in the solar system.
  6. 16. This is what we call everything that there is.
  7. 17. This is a giant ball of rock and ice. It is similar to a "space snowball."
Down
  1. 1. Someone who goes to space is called a _________.
  2. 2. A space cloud is called a __________.
  3. 3. This is a collection of millions of stars and planets.
  4. 5. Someone who studies space is called a __________.
  5. 8. The third planet from the Sun is ____________.
  6. 9. This is a giant ball of gas and fire. (Our Sun is one of these!)
  7. 10. This is the name of our Sun.
  8. 11. This is a large space rock. There are many between Mars and Jupiter.
  9. 12. This is the farthest planet from the Sun.
  10. 15. This is the fastest planet in the solar system.