SPACE EXPLORATION

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Across
  1. 3. Currently the only permanently manned space station.
  2. 7. Mobile lander that are remotely controlled by operators on Earth
  3. 8. America's first manned space project
  4. 9. How the gases in the Combustion Chamber escape
  5. 10. A smaller body that orbits a larger one
  6. 12. A telescope that uses mirrors and reflection to gather light
  7. 13. An economical, reuseable space vehicle, the STS
  8. 14. Telescopes that "see" radio waves
  9. 15. America's Project to build a spacecraft to carry multiple crew members
Down
  1. 1. A chamber where rockets burn fuel so it can eject hot gases
  2. 2. A man made object that orbits a planet or moon
  3. 4. Any rocket launch that does not gain enough speed to enter orbit
  4. 5. America's Moon landing program
  5. 6. A telescope that uses only lenses and refraction to gather light
  6. 11. A probe that is designed to land softly on a planet and then transmit photographs and environmental data back to Earth
  7. 12. A device powered by a reaction engine