Mass, Space, and Energy

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Across
  1. 2. What natural satellite orbits the Earth?
  2. 3. What powers the planets and provides light and heat to the solar system?
  3. 5. Which planet is known for its thick, toxic atmosphere?
  4. 6. What occurs when one celestial body passes through the shadow of another?
  5. 9. What was the name of the famous NASA mission that landed humans on the moon?
  6. 10. What is the vast expanse in which all celestial bodies exist?
  7. 12. What planet do we live on?
  8. 13. What term describes the places where energy is kept?
  9. 15. Which planet is famous for its rings?
  10. 17. What is the force exerted on an object due to gravity?
  11. 18. Which planet is the largest in our solar system?
Down
  1. 1. What is the process of moving energy from one object to another?
  2. 2. Which red planet is fourth from the sun?
  3. 3. What is a body that orbits a planet or star?
  4. 4. What causes changes in weather patterns over a year?
  5. 7. What are the different stages of the moon called?
  6. 8. What is the upward force acting on an object in a fluid?
  7. 11. What is the amount of matter in an object?
  8. 14. What is the capacity to do work called?
  9. 16. What vehicle is used to travel into space?