Across
- 2. Low frequency, low energy electromagnetic wave.
- 3. An uncrewed spacecraft sent from Earth to explore objects in space.
- 8. Life that originates outside of Earth
- 11. A radio wave is a low-frequency electromagnetic wave.
- 12. This light includes all the colors you see as red, orange, yellow, green, blue, indigo, and violet.
- 16. A telescope that uses a convex lens to concentrate light from a distant object.
- 17. Earth's atmosphere prevents most of this kind of wave that comes from the Sun, but enough passes through to penetrate the skin.
- 18. Any small object that orbits a larger object.
Down
- 1. Collects radio waves and some microwaves using on antenna that looks like a TV satellite dish.
- 4. An electromagnetic wave that has a wavelength shorter than a microwave but longer that light.
- 5. A series of space missions designed to send people to the Moon.
- 6. A telescope that uses a curved mirror to concentrate light from a distant object.
- 7. The entire range of radiant energy carried by electromagnetic waves.
- 9. A reusable spacecraft that transports people and materials to and from space.
- 10. The practical application of science to commerce or industry.
- 13. Anything related to the moon.
- 14. A high-energy electromagnetic wave a shorter wavelength and higher frequency than all other types of electromagnetic waves.
- 15. The study of life in the universe, including life on Earth and the possibility of extraterrestrial life.