NASA and the Indian Space Research Organization are preparing to launch a joint space mission to map the Earth every 12 days

NASA and the Indian Space Research Organization are preparing to launch a joint space mission to map the Earth every 12 days

NASA and the Indian Space Research Organization are preparing to launch a joint space mission to map the Earth every 12 daysThe mission, which will last for three years, aims to survey all Earth’s land and ice-covered surfaces every 12 days. This will begin after a 90-day satellite operational period.

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<p>A representative image showing a satellite orbiting the Earth in space.</p>
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A representative image showing a satellite orbiting the Earth in space.

BENGALURU: The NASA-ISRO Synthetic Aperture Radar (NISAR) is scheduled to be launched in the first quarter of 2024 after some tests, especially those related to vibrations, NASA officials said.

‘ISRO expects the first quarter of next year. “I mean, this is ready,” Phil Parrella, NASA’s NISAR project manager, said during a media interaction here on Wednesday.

NISAR (spelled as “Naisar”) is expected to launch “no later than January” from the Satish Dhawan Space Center in Sriharikota aboard the ISRO Mark-II geosynchronous satellite launch vehicle.

The mission, which will last for three years, aims to survey all Earth’s land and ice-covered surfaces every 12 days. This will begin after a 90-day satellite operational period.

Regarding the main tests to be carried out, Barella said: “Vibration testing is underway, but there is a large number of performance tests that we need to do.” Battery and simulation tests should be done to ensure the system is working well, he said.

“…We will conduct performance tests on radars and various spacecraft electronics.” “So, there’s still a lot of testing, but testing large environments, the only test left now, is vibration,” Barella said.

NASA’s Jet Propulsion Laboratory Director Dr. Lori Leshin said the NISAR project is “better than anything launched in the past.”

“Although there are data sets from previous missions that can form a kind of baseline, this is a new level of capability that we will have with NISAR,” she told reporters on Tuesday.

“If it works very well, we will certainly extend this mission to get this longer baseline. It’s very important to see the Earth changing on multi-year timescales. That’s what we’re looking for,” Leshin said.

According to ISRO, NISAR is a Low Earth Orbit Observatory (LEO) jointly developed by NASA.

NISAR will map the entire Earth in 12 days and provide spatially and temporally consistent data to understand changes in Earth’s ecosystems, ice pack, plant biomass, sea level rise, groundwater and natural hazards, including earthquakes, tsunamis, volcanoes and landslides.

The project aims to understand the dynamics of carbon storage and assimilation in wooded and agricultural ecosystems, wetlands and permafrost, the response of ice sheets to climate change, the interaction of sea ice and climate, and sea level impacts, NASA said in a bulletin. Rising all over the world.

NISAR will have a synthetic aperture radar (SAR) instrument, L-band SAR, S-band SAR, and an antenna reflector.

According to NASA, instruments on board can see a change as small as a centimeter from space.

The SUV-sized satellite has a mass of about 2,800 kilograms and will be powered by two solar arrays providing about four kilowatts of power.

The six-foot-long “spacecraft bus” will house the command and communications systems for the instrument payload, which includes two SAR instruments.

The “bus” will also support the radar antenna reflector and arm. The bulletin said there was enough fuel on board to support operations for at least five years.

(tags for translation) NASA ISRO

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