CURRENT AFFAIRS

Detailed explanation-1: -PSLV-C44 successfully launched Microsat-R and Kalamsat-V2.

Detailed explanation-2: -The GSAT 7 satellite was launched in August 2013 from an Ariane 5 ECA rocket from Kourou in French Guiana. It is a 2,650 kg satellite which has a footprint of nearly 2,000 nautical miles in the Indian Ocean region. This satellite is mainly used by the Indian Navy for its communication needs.

Detailed explanation-3: -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-4: -SLV. Satellite Launch Vehicle-3 (SLV-3) was India’s first experimental satellite launch vehicle, which was an all solid, four stage vehicle weighing 17 tonnes with a height of 22m and capable of placing 40 kg class payloads in Low Earth Orbit (LEO (Low Earth Orbit) ).

Detailed explanation-5: -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.