Exploring Space

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Across
  1. 3. A smaller object that orbits a larger object
  2. 8. There are eight planets in our
  3. 10. UV waves are shorter than radio waves. This means they have a higher
  4. 11. Type of optical telescope that uses lens
  5. 12. Electromagnetic waves with the longest wavelengths
Down
  1. 1. The height of a wave is called
  2. 2. Abbreviation for the space station that orbits Earth
  3. 4. Type of optical telescope that uses mirrors
  4. 5. Object in our sky that reflects the Sun's light
  5. 6. The Voyager was launched 44 years ago and is still traveling in space. It is a ____ space probe.
  6. 7. The hottest stars emit _____ rays
  7. 9. Our galaxy is called the
  8. 11. List the first letter of each type of wave on the electromagnetic spectrum, in order of waves with the longest wavelengths to the shortest.