Which of the following correctly describes the NISAR mission?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Joint ISRO-NASA mission using L and S-band radar.
NISAR (NASA-ISRO Synthetic Aperture Radar) is a pioneering Earth-observation mission. It utilizes dual-frequency radars—NASA provides the L-band SAR and ISRO provides the S-band SAR. This satellite is designed to globally map Earth's land and ice masses with unprecedented precision. Its primary goal is to monitor environmental changes, including ecosystem disturbances, ice-sheet collapse, and natural hazards like earthquakes and landslides.