摘要
At 0:04 Beijing time on December 29,2015,a LM-3B launch vehicle lifted off from the Xichang Satellite Launch Center,putting the GF-4 satellite into its orbit successfully.The GF-4 satellite,developed by the China Academy of Space Technology,is a geosynchronous orbit optical imaging satellite with a resolution of 50m and lifetime of 8 years.It is the first geostationary Earth observation satellite with the
At 0：04 Beijing time on December 29, 2015, a LM-3B launch vehicle lifted off from the Xichang Satellite Launch Center, putting the GF-4 satellite into its orbit successfully,
