NASA-ISRO NISAR Mission: Reflector Ready for Transport, Launch to be in 2025
ISRO and NASA are set to launch the NISAR (NASA-ISRO Synthetic Aperture Radar), a mission widely believed to drastically change Earth observation. Initially planned to be released earlier, the launch is to occur in early 2025, provided that NASA completes one of the unsophisticated parts.
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NASA completed basic work on the radar antenna reflector of the satellite late last month and it will have a diameter of nearly 39 feet or 12 meters. First, this drum-shaped reflector is an important part of both the transmit and receive chain; it allows NISAR to image most of the planet’s land and marine ice surfaces just once every 12 days. This model remains perhaps one of the biggest achievements that has been made by NASA in addressing this common goal.
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Shipment of some of the components to India for the Final Assembly
According to the lead author of the study and Yale professor Ryan Foley, NASA intends to send the reflector to ISRO’s Bengaluru center in the current year. There, teams from NASA’s Jet Propulsion Laboratory (JPL) and ISRO will have to reinstall the reflector back to the radar system to get the mission back on track for its expected launch.
Why the Launch Delay?
Failure concerns go to orbital problems and the current eclipse season which is set to elapse in February next year. Throughout this duration, light and shade variation may lead to warming and cooling of the satellite and thus pose a threat to the deployment of the radar boom and reflector. To evade any hitch, NASA and ISRO announced a delay in the launch.
Mission Objectives: One leap for earth science: The very technology that is threatening the planet’s sustainability may be used to save it.
Following the launch, NISAR can provide much higher resolution radar imaging data to monitor and respond to natural disasters and other important environmental events. The satellite’s advanced capabilities will allow scientists to track:
- Ecosystem disturbances
- Ice-sheet collapse
- Such calamities in this context include the earthquake, the tsunamis
- This advanced technology will benefit the causes and management of disasters, and improve the world’s understanding of climate change.
A major milestone in the US-India space cooperation
The NISAR mission is now the largest space cooperation project of the United States and India. This mission will be bridging the coming international partnership to explore space as expertise and resources are shared by NASA and ISRO.
With the final steps ongoing, NASA and ISRO are jointly deciding on the instructions for the launch readiness date, which is expected in the near future.
