Discover and read the best of Twitter Threads about #NISAR

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#Thread #Space #UPDATE 

@isro has officially said the NASA-Isro SAR (#NISAR), a LEO observatory being jointly developed with @NASA “shall be launched from Indian soil in Q1 of 2024”, and its science operations will begin 90 days after it reaches the intended orbit. 1/n

Pic: JPL
The synthetic aperture radar (SAR) payloads mounted on integrated radar instrument structure (IRIS) and the spacecraft bus are together called an observatory. 2/n
The observatory will map the entire globe in 12 days & provide spatially & temporally consistent data for understanding changes in Earth’s ecosystems, ice mass, vegetation biomass, sea-level rise, groundwater & natural hazards - earthquakes, tsunamis, volcanoes & landslides. 3/n
Read 19 tweets
#JustIn #Thread #Space

Payload integration of #NISAR, a @NASA & @isro joint mission, has been completed. It will be shipped to India later this year for integration with the satellite and eventually the launch vehicle. (It will be launched by Isro) 1/n
A dual SAR mission, #NISAR is a first-of-its-kind endeavour that will be able to operate in two frequencies, both in bands lower than KU-Band or AA-Band. While @isro will develop and provide the S-band radar (12-cm wavelength), @NASA will supply L-band radar (24-cm). 2/n
Thomas Zurbuchen, associate administrator, NASA science mission directorate on future Space exploration, terming it an extremely complex mission, said progress had been made on NISAR after Covid-induced delays. 3/n
Read 10 tweets

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