Test Your Space Vocab!

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Across
  1. 5. an optical device for producing and observing a spectrum of light or radiation
  2. 8. small,airless rocky worlds that revolve around the sun and are too small to be called planets.
  3. 9. remote-controlled mechanical arm
  4. 10. stellar explosion that briefly outshines an entire galaxy
  5. 11. unit of length used informally to express astronomical distances
  6. 14. an array of telescopes or mirror segments acting together to probe structures with higher resolution
  7. 16. large and heavy or solid
Down
  1. 1. marking the longest and shortest days
  2. 2. icy small Solar System body
  3. 3. Global Positioning System
  4. 4. one way to create this environment is to travel away from Earth.
  5. 5. its held together by its own gravity
  6. 6. an example would be The Big Dipper
  7. 7. occurs twice a year, around 20 March and 22 September
  8. 12. natural phenomenon by which all physical bodies attract each other.
  9. 13. all stars, planets, and solar systems are formed from these
  10. 15. a meteorite when hits the Earths surface
  11. 17. the star that is the central body of the solar system