Emily Collins Astronomy 6th Period

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Across
  1. 3. everything- space and all the matter and energy in it
  2. 5. a spacecraft that passes by one or more objects without orbiting them
  3. 6. a type of telescope with curved mirrors that gather light
  4. 11. the only form of radiation our eyes can detect
  5. 12. a telescope that uses a lens to gather light
  6. 14. shows where radio waves are being emitted by objects in space
  7. 16. if you shines a flashlight through a prism,the beam of white light willseperate into a range of colors called
  8. 17. a group of stars that form a pattern in the sky
  9. 18. a group of millions or billions of stars held together by their own gravity
  10. 19. a spacecraft that drops into a planets atmosphere
  11. 20. a device that gathers electromagnetic radiation
Down
  1. 1. the distance between one wave peak to the next wave peak
  2. 2. an object that orbits a more massive object
  3. 4. energy that travels across distances as certain types of waves
  4. 7. a craft designed to land on a planets surface
  5. 8. the path of an object in space as it moves around another object because of gravity
  6. 9. they study planets for a long period of time in orbit
  7. 10. a satellite in which people can live and work for long periods
  8. 13. when an object strikes the surface of a larger object in space it explodes and leaves behind a round pit called an
  9. 15. the Sun, the planets,and various small objects make up the