OBJECTIVE FORESTRY

Detailed explanation-1: -IRS-1A, the first of the series of indigenous state-of-art remote sensing satellites, was successfully launched into a polar sun-synchronous orbit on March 17, 1988 from the Soviet Cosmodrome at Baikonur.

Detailed explanation-2: -The letter “P” (IRS-P1) in the Indian Remote Sensing Programme of Earth observation satellite indicates that the satellite was to be launched aboard a Polar Satellite Launch Vehicle (PSLV). It was launched on 20 September 1993.

Detailed explanation-3: -The equatorial crossing time for IRS-1A in the descending node was 9:40 AM. It had two types of cameras known as Linear Self Scanning Sensors (LISS-I and LISS-II).