Unit 3: Exploring Space

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Across
  1. 2. Name of the Project that first placed humans on the Moon
  2. 5. Anything related to the Moon
  3. 9. Emit energy that radiates into space as electromagnetic waves
  4. 12. Slow down to enter orbit at their destination and stay in orbit until they run out of fuel.
  5. 14. A Soviet space dog who was one of the first animals in space and the first to orbit the Earth
  6. 15. Telescope that uses infrared wavelengths to penetrate dust and reveal young stars and planets
  7. 16. Anything related to a planet
  8. 19. An unmanned spacecraft sent into space to explore objects in space
  9. 21. Uses rockets and parachutes to land safely and sometimes release rovers to explore the surface.
  10. 22. Can distort radio waves if in the atmosphere
  11. 23. The International Space Station is a...
Down
  1. 1. Does not emit its own light
  2. 3. The space program requires materials that are extremely strong. They need to withstand temperature and...
  3. 4. Telescopes that collect visible light
  4. 6. A vehicle that uses Newton’s Third Law to propel itself is called a...
  5. 7. Flybys do not orbit or land. They continue on a path outside of the solar system.
  6. 8. A telescope that uses a convex lens to concentrate light from a distant object
  7. 10. Anything related to the Sun
  8. 11. A telescope that uses a curved mirror to concentrate light from a distant object
  9. 13. Telescope that can see to the oldest, coldest parts of the universe that no longer have visible light
  10. 17. This type of satellite sends and receives signals for TV/radio
  11. 18. Type of light we can only see with our eyes
  12. 20. Optical telescope that collects visible light, orbits Earth, and works very well in space