Across
- 2. collects radio waves and some microwaves using an antenna that looks like a TV satellite dish
- 4. uses a convex lens to concentrate light from a distant object
- 6. any small object that orbits a larger object space probe uncrewed spacecraft sent from Earth to explore objects in space
- 7. vehicle designed to propel itself
- 8. anything related to the moon
- 9. series of space missions designed to send people to the Moon
- 10. reusable spacecraft that transports people and materials to and from space
Down
- 1. entire range of radiant energy carried by electromagnetic waves
- 3. originates outside Earth
- 5. uses a curved mirror to concentrate light from a distant object