Solar System

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Across
  1. 3. Mercury,Venus,Earth,Mars
  2. 6. The only planet with visible rings
  3. 7. The 4th planet from the sun
  4. 9. A comet that is composed of dust and rock particles
  5. 10. The darkest portion of the Moon's shadow
Down
  1. 1. A black hole has an event horizon where nothing can escape
  2. 2. The biggest planet in our solar system
  3. 4. Areas of the Sun's surface that appear dark
  4. 5. The place where people can go to learn about objects in space
  5. 8. The only planet to support life