| Term | Definition |
|---|
| communications satellite | (1) relay telephone conversations and TV broadcasts; (2) relay radio programs to local stations |
| weather satellite | (1) provide photographs of cloud patterns; (2) measure cloud and ground temperatures |
| navigational satellite | (1) GPS allows boaters, pilots, and hikers to pinpoint their position (2) many new cars have GPS receivers |
| Earth resources satellite | (1) make maps (2) spot forest fires (3) survey cities |
| military satellite | (1) scan the earth for missile launches or large explosions (2) photograph foreign military installations |
| astronomical satellite | (1) study the sun (2) measure distances to nearby stars (3) Hubble space telescope takes photographs |
Combine with other sets
Share on Facebook
Share on MySpace