Astronomy

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Across
  1. 3. _______________ means objects from Space
  2. 6. radiation occurs on an _____________________ spectrum
  3. 7. the life-sustaining layer of the Earth that separates it from space
  4. 9. a building used by astronomers to explore space from Earth's surface
  5. 10. radio and microwave radiation are examples of ______ wavelength energy
Down
  1. 1. x-rays and gamma rays are examples of _______ wavelength radiation
  2. 2. energies and wavelengths that enter the Earth from outer space is called ________________
  3. 4. _____________ distort and filter the radiation that enters the Earth
  4. 5. the larger the ______________ of the telescope lens, the more stars astronomers can see
  5. 8. relating to the eyes