Q. Consider the following statements with respect to NASA-ISRO Synthetic Aperture Radar (NISAR) satellite:
1.It is a dual frequency satellite.
2.It will offer detailed observations of Earth’s surface, tracking changes in ice sheets, land deformation, and ecosystems.
3.It has been developed for Low Earth Orbit (LEO) observation.
Which of the statements given above are correct?
Answer: D
Notes:
Explanation –
Statements 1, 2 and 3 are correct. The NASA-ISRO Synthetic Aperture Radar (NISAR) satellite is a dual-frequency satellite, operating at L-band and S-band frequencies. This dual-frequency capability allows for better discrimination between various land cover types and improved monitoring of Earth’s surface changes. NISAR will provide detailed observations of Earth’s surface, capturing changes in ice sheets, land deformation, and ecosystems. It will help scientists better understand the impacts of climate change, natural hazards, and human activities on the planet’s surface. The satellite has been developed for Low Earth Orbit (LEO) observation, with an altitude of 747 km.
Source: Forum IAS
