Space Travel

3. a vehicle used for traveling in space
5. a Russian astronaut.
7. the branch of science which deals with celestial objects, space, and the physical universe as a whole.
11. a person whose assets are worth one million dollars or more
12. suitable or good enough to live in
13. a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground
14. an optical instrument designed to make distant objects appear nearer
15. the height of an object or point in relation to sea level or ground level.

1. a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals
2. an amusement park attraction that consists of a light railroad track with many tight turns and steep slopes, on which people ride in small fast open cars
4. the curved path of a celestial object or spacecraft around a star, planet, or moon, especially a periodic elliptical revolution.
6. an important assignment carried out for political, religious, or commercial purposes, typically involving travel
8. an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication.
9. all existing matter and space considered as a whole; the cosmos
10. a fellow member of a team.