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