marsmars

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Across
  1. 2. The branch of science dealing with the properties of matter and energy
  2. 3. BIG BANG A theory explaining the origin of the universe
  3. 4. GASES Heat-trapping gases like carbon dioxide present on Mars
  4. 5. The thin layer of gases surrounding Mars
  5. 7. A severe weather condition with strong winds carrying fine particles
  6. 9. Establishing human presence and habitation on Mars
  7. 11. A vehicle designed to explore the Martian surface
Down
  1. 1. A self-contained ecosystem that could support life on Mars
  2. 3. The process of adapting Mars to support Earth-like conditions
  3. 6. The scientific study of celestial objects and phenomena
  4. 8. A concentrated beam of light used in space technology
  5. 9. A large, bowl-shaped cavity in the ground caused by an impact
  6. 10. PLANET Mars is often referred to as the "___ planet" due to its color