13 October 2020
China has sent its Gaofen-13 satellite into orbit, kicking off a spree of space missions that will bring a dozen major launches in the next few months. These satellites observe and take photos of the Earth, including some infrared ray images, which can be used for many civilian purposes, including monitoring pollution and environment, estimating agricultural yields, forecasting weather and disasters, and detecting minerals. There are also military applications for the satellites. Last month, China released a video captured by the Jilin-1 Gaofen-3 satellite, in which it continuously tracked the flight of a fighter jet, thought to be an F-22, the most advanced American stealth fighter.
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