4.3 History of Space Exploration

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Across
  1. 4. vehicle that lift off with the aid of rocket boosters
  2. 6. Unscrewed vehicles that carry scientific instruments into space beyond earth's orbit
  3. 7. Lands on the surface of a planet and sends information back to earth
  4. 9. An object placed in space orbits other objects and sends back information
  5. 10. crewed spacecraft do not orbit earth because they do not reach the required speed and altitude
Down
  1. 1. crewed spacecraft that completely orbits earth
  2. 2. A space probe that was deployed from the space shuttle Atlantis in 1989 to study Jupiter
  3. 3. A spacecraft that travels to a planet and orbits it for information
  4. 4. long-term crewed space craft from which other vehicles can be launched or scientific research can be found
  5. 5. A mobile vehicle that is used to explore the surface of planets by using an x-ray
  6. 8. Another name for National Aeronautics and Space Administration