Across
- 2. a person engaged in or trained for spaceflight.
- 7. measured or considered as being seen from the center of the sun
- 8. astronomy . a natural body that revolves around a planet; a moon.
- 11. a space capsule or vehicle put into orbit by such devices.
Down
- 1. an act or instance of noticing or perceiving.
- 3. the branch of knowledge that deals with the creation and use of technical means and their interrelation with life, society, and the environment, drawing upon such subjects as industrial arts, engineering, applied science, and pure science.
- 4. the use or application of medicine.
- 5. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space.
- 6. to deprive (a chemical compound) of water or the elements of water.
- 9. also called minor planet. Astronomy . any of the thousands of small bodies of from 480 miles (775 km) to less than one mile (1.6 km) in diameter that revolve about the sun in orbits lying mostly between those of Mars and Jupiter.
- 10. system/the sun together with all the planets and other bodies that revolve around it.planets