NISAR

NISAR

Subject : Science & tech

Context : ISRO has completed development of a Synthetic Aperture Radar capable of producing high-resolution images for a joint earth observation satellite mission with the U.S. space agency NASA.

Concept :

• NISAR stands for NASA ISRO Synthetic Aperture Radar Mission
• It aims to study the hazards and global environmental changes and slated to launched in 2020-21.
• NISAR is a dual frequency (L & S Band) Radar Imaging Satellite. It will be the first radar imaging satellite to use dual frequency.
• Will be launched in a Sun Synchronous Low -Earth
• It is designed to observe and take measurements of some of the planet’s most complex processes, including ecosystem disturbances, ice-sheet collapse, and natural hazards such as earth quakes, tsunamis, volcanoes and landslides.
• The satellite is likely to be launched from India aboard an Indian launch vehicle.