News: China has successfully launched the last satellite of its BeiDou Navigation Satellite System(BDS).
- BeiDou Navigation Satellite System(BDS): It is a Chinese satellite navigation system.
- Type: Military and commercial
- Coverage: Global
- Total satellites: 35 (2020)
- Global Navigation Satellite System: GPS (US), GLONASS (Russia), Galileo (EU), BeiDou (China).
- Additionally, there are two regional systems – QZSS (Japan) and IRNSS or NavIC (India).
- NavIC: It is an independent regional navigation satellite system developed by the Indian Space Research Organization(ISRO).
- It provides accurate position information service to users in India as well as the region extending up to 1500 km from its boundary.