China launches backup Beidou-2 navigation satellite
China sent a Beidou-2 backup navigation satellite into orbit on a Long March-3A rocket from the Xichang Satellite Launch Center, in the southwestern Sichuan Province, at 4:58 a.m. on July 10, according to Xinhua.net. China started to construct the third-generation of Beidou system in 2017, and eight Beidou-3 satellites are now in space. The satellite just launched is a second-generation Beidou-2,... read more
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