1. Scientific Research Spacecraft:
- Designed to gather and transmit data during exploration missions.
- Examples include Earth observation satellites for meteorology, planetary probes like the Mars Curiosity rover, and telescopes like the Hubble Space Telescope.
2. Communication Satellites:
- Transmit/receive communication signals and facilitate global interconnectedness.
- Used for television broadcasting, satellite internet, cellphone communication, and point-to-point telecommunications.
3. Navigation Satellites:
- Provide real-time position, navigation, and timing (PNT) data to devices.
- Satellites for systems like GPS (Global Positioning System), GLONASS (Russia), and BeiDou (China) form these constellations.
4. Earth Observation Satellites:
- Remotely observe the Earth for scientific, environmental, and commercial purposes.
- Used for weather forecasting, climate monitoring, resource exploration, and disaster relief. Examples include GOES and Landsat
