CURRENT AFFAIRS

Detailed explanation-1: -The Union Cabinet chaired by Prime Minister Narendra Modi on Monday approved the ongoing Geosynchronous Satellite Launch Vehicle (GSLV) continuation programme Phase-4 consisting of five GSLV flights during the period 2021-2024.

Detailed explanation-2: -Launchers or Launch Vehicles are used to carry spacecraft to space. India has three active operational launch vehicles: Polar Satellite Launch Vehicle (PSLV), Geosynchronous Satellite Launch Vehicle (GSLV), Geosynchronous Satellite Launch Vehicle Mk-III (LVM3).

Detailed explanation-3: -PS4 is the fourth and final stage of pslv and it uses two liquid engines for propulsion. PS4 is responsible for the correct injection of PSLV’s payloads into their respective desired orbits.

Detailed explanation-4: -The main difference between PSLV and GSLV is that the PSLV has four stages that alternate between solid and liquid fuels, while GSLV has three stages, with only the first stage using solid fuel.

Detailed explanation-5: -PSLV is the third generation launch vehicle of India. It is the first Indian launch vehicle to be equipped with liquid stages. It is used mainly for delivering various satellites in Low Earth Orbits, particularly the Indian Remote Sensing series of satellites.