CURRENT AFFAIRS

Detailed explanation-1: -ISRO has developed a series of sounding rockets called Rohini series, important among them being RH-200, RH-300 and RH-560, number in the name indicating the diameter of the rocket in mm. 1545 RH-200 rockets have been launched so far.

Detailed explanation-2: -In 1967, ISRO started launching a series of indigenous sounding rockets named ‘Rohini’ from TERLS.

Detailed explanation-3: -Series. The RH-75, the first sounding rocket developed by India, It weighed 32 kilograms (71 lb), had a diameter of 75 millimetres (3.0 in) and flew 15 times between November 1967 and September 1968.

Detailed explanation-4: -India has three active operational launch vehicles: Polar Satellite Launch Vehicle (PSLV), Geosynchronous Satellite Launch Vehicle (GSLV), Geosynchronous Satellite Launch Vehicle Mk-III (LVM3). PSLV is configured with four variants like 6, 4, 2 solid rocket strap-on motors& core alone versions.

Detailed explanation-5: -RH-75, with a diameter of 75mm was the first truly Indian sounding rocket, which was followed by RH-100 and RH-125 rockets. The sounding rocket programme was the bedrock on which the edifice of launch vehicle technology in ISRO could be built.