NEA Exploring Space

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Across
  1. 4. station a large artificial satellite used as a long-term base for manned operations in space
  2. 5. the distance between two corresponding parts of a wave
  3. 6. a flight of a spacecraft past a celestial body close enough to obtain scientific info; the first stage in space exploration
  4. 8. telescope a device used to detect radio waves from objects in space
  5. 10. a spherical body, larger than a comet or asteroid, that orbits the Sun, or similar body that orbits a different star
  6. 11. the NASA mission that made the first lunar landing, July 20, 1969 - Neil Armstrong and Buzz Aldrin with Mike Collins in orbit
  7. 12. NASA's program focused on reaching the moon
  8. 13. the Russian space station where Russian and U.S. astronauts carried out joint missions
  9. 14. space and all the matter and energy in it
  10. 17. telescope a telescope that uses a set of lenses to gather and focus light from distant objects
  11. 18. a collection of stars, dust, and gas bound together by gravity
  12. 19. light spectrum the portion of the electromagnetic spectrum that is visible to the human eye (R.O.Y.G.B.I.V.)
  13. 21. a spacecraft designed to orbit a planet, moon, or other body without landing on the body's surface; the second stage in space exploration
  14. 22. an optical instrument that forms enlarged images of distant objects
  15. 23. the International Space Station; built by scientists from Russia, the U.S. and 15 other nations
  16. 25. a craft designed to land on a planet's surface
  17. 26. a group of stars that form a pattern in the sky
Down
  1. 1. a competition of space exploration between the United States and the Soviet Union that took place from 1955 to 1975
  2. 2. telescope a telescope that uses a curved mirror to collect and focus light
  3. 3. the path that a body follows as it travels around another body in space
  4. 7. the spinning of Earth on its axis
  5. 9. system the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets
  6. 10. A spacecraft that is sent into a planet's atmosphere or onto a solid surface
  7. 15. a broad range of related qualities; especially those that overlap to create a continuous series (as in a color spectrum, where each color blends into the next in a continuous way)
  8. 16. an object (either artificial or natural) that revolves around another object in space
  9. 20. crater a round depression formed on the surface of a planet, moon, or other space object by the impact of a meteorite
  10. 24. spectrum the complete range of electromagnetic waves placed in order of increasing frequency