1. Astronaut/Galaxy/Astronomy is the scientific study of the sun, moon, stars, planets, etc. 2. Microgravity/Meteorite/Mission is defined as a piece of rock from outer space that hits the earth’s surface. 3. Rocket/Spacesuit/Satellite is a spacecraft in the shape of a tube that is driven by a stream of gases let out behind it when fuel is burned inside. 4. Rinseless/Satellite/Orbit is an electronic device that is sent into space and moves around the earth or another planet. 5. Space tourism/Galaxy/Spacesuit is a special suit that covers the whole body and has a supply of air, allowing somebody to survive and move around in space.