1. Satellite constellations are groups of satellites working together in orbit.

2. They provide continuous coverage over large parts of Earth.

3. GPS is an example of a navigation satellite constellation.

4. Starlink is a communication satellite constellation for internet.

5. Satellites in a constellation follow planned paths in space.

6. They are used for navigation, communication, and Earth observation.

7. If one satellite fails, others keep the system working.

8. These constellations often orbit in low Earth orbit (LEO).

9. They can connect to each other and to ground stations.

10. Satellite constellations make worldwide communication faster and better.