Space Exploration

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Across
  1. 4. it is a large spacecraft that remains in orbit around a planet or other celestial body and serves as a research laboratory, observatory, or living quarters for people working there.
  2. 6. It is the only known planet to support life and has a diverse range of ecosystems and climates.
  3. 8. there are 8 of it in the solar system
Down
  1. 1. it is the United States government agency responsible for the nation's aerospace research.
  2. 2. it is a small, rocky object that orbits the Sun.
  3. 3. it is the fourth planet from the Sun in the solar system. It is often referred to as the "Red Planet" because of its reddish appearance
  4. 4. system : it is a collection of celestial bodies that includes the Sun and all the objects, such as planets, bound by its gravity.
  5. 5. it is the eighth and farthest known planet from the Sun in the solar system
  6. 7. a person who is trained to travel in space