1. A vehicle designed for travel or operation in outer space.

1. A garment worn by astronauts to protect them from the harsh conditions of space.

2. The scientific study of celestial objects, space, and the physical universe.

3. An astronaut of the Russian space program.

4. Relating to the sun.

5. The part of a spacecraft in which people or cargo are carried.

6. A system of stars, dust, and gas held together by gravitational attraction.

7. A specific task or purpose pursued by astronauts in space.

8. The process of sending a spacecraft into space.

9. An instrument that allows us to see faraway objects in space.

10. A small rocky object that orbits the sun.

11. A spacecraft that is designed to land on the surface of a celestial body.

12. Relating to the moon.

12. Relating to the moon.

13. An event in which one celestial body partially or fully blocks another.

14. A spacecraft designed to transport people and cargo to and from space.

15. A cloud of gas and dust in outer space.

16. National Aeronautics and Space Administration, the United States government agency responsible for the civilian space program.