Explainer: How synthetic aperture radar (SAR), at the heart of Nisar, works

Unlike optical sensors, the synthetic aperture radar (SAR) at the heart of the Nisar mission expected to launch at 5.40pm today (July 30), doesn’t rely on visible light. SAR uses microwaves, allowing satellites to “see” through clouds and operate day or night. This capability makes SAR a powerful tool for monitoring everything from Antarctic ice […]

‘Lost communication’: Russian passenger plane with 50 on board goes missing; went off radar over Amur region

A Russian plane with 50 people onboard went missing in Amur region on Thursday after air traffic control operators lost communication, Reuters reported. The aircraft, operated by Angara airline, was reportedly approaching its destination of Tynda, located in the Amur region adjacent to China, when communication ceased. SHOT reported that the plane was believed to […]

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