| A | B |
|---|
| space stations | Space crafts which orbited the earth and were lived in by astronauts. |
| Skylab | The first U.S. space station. |
| Mir | Russian space station that could be added too to make larger |
| International Space Station | Sometimes called Alpha or ISS, it was built by many nations. |
| space shuttle | Space craft built by U.S., and was designed to be re-used like a plane. |
| communications satellites | These satellites are used for telephone, T.V., and Radio companies. |
| geostationary orbits | Satellites that are above the Equator and follow the rotation of the earth. |
| weather satellites | Crafts that measure temp., humidity, and track storm systems. |
| polar orbits | Satellites that follow the longetude lines of the earth. |
| navigational satellites | Satellites that tell ships, planes, and other crafts their speed and location. |
| Global Positioning Systems | Famous network of navigational satellites. |
| Earth-resources satellites | Satellites designed to carry out many different jobs. |
| astronomical satellites | Satellites that help astronomers study the heavens. |
| space probe | Similar to satellites, but they travel through space to other planets. |
| Military satellites | Satellites that help defend a nation against attack. |
