Science and Technology › Space
Launch vehicles, satellites and applications
Launch vehicles, satellites and what they are used for: rockets and their engines, Earth observation, communication and navigation satellites, orbits, and the launches of each year. Prelims has asked about the orbits of the Indian Regional Navigation Satellite System (IRNSS) satellites and the uses of Indian Remote Sensing satellites.
UPSC has asked
- Prelims 2023: countries with their own satellite navigation system
- Prelims 2018: the orbits of the IRNSS satellites
- Prelims 2018: India's satellite launch vehicles and the orbits they serve
- Prelims 2015: uses of Indian Remote Sensing satellites
No subject here changed from 1 to 15 July 2026.Show all
Also filed elsewhere
- India's first commercial Earth observation constellation · on Space policy, private sector and governance
Until now an Indian imaging satellite was built and flown by the state.
- Indian Space Policy 2023 · on Space policy, private sector and governance
The policy settled the division of labour in 2023, so the argument since has been about pace rather than direction.