NISAR

Question 1

what?

Answer 1

NISAR is short for NASA-ISRO-SAR. SAR here refers to radar that NASA will use to measure changes in the surface of the Earth.

Question 2

What is SAR?

Answer 2

technique for producing high-resolution images. Because of the precision, the radar can penetrate clouds and darkness, which means that it can collect data day and night in any weather.

Question 3

About NISAR?

Answer 3

-satellite that will be launched in 2022

Question 4

Function

Answer 4

• will scan the globe every 12 days over the course of its three-year mission of imaging the Earth’s land, ice sheets and sea ice
• It will detect movements of the planet’s surface as small as 0.4 inches

Question 5

What will NASA provide?

Answer 5

• radar
• communication subsystem
• GPS receivers
• payload data subsystem.

Question 6

ISRO will provide?

Answer 6

• spacecraft bus,
• type of radar
• launch vehicle
• associated launch services.

Question 7

Feature?

Answer 7

NISAR will be equipped with the largest reflector antenna ever launched by NASA and its primary goals include :

1) tracking subtle changes in the Earth’s surface,
2) spotting warning signs of imminent volcanic eruptions,
3) helping to monitor groundwater supplies and
4) tracking the rate at which ice sheets are melting.