A Long March-4B carrier rocket carrying the Gaofen-2 satellite blasts off from the launch pad at the Taiyuan Satellite Launch Center in north China's Shanxi Province, Aug. 19, 2014. China successfully launched Gaofen-2, a high-definition Earth observation satellite, into orbit on Tuesday, according to the State Administration of Science, Technology and Industry for National Defense (SASTIND). It is China's most advanced high-definition Earth observation satellite, and is able to see a one-meter-long object in full color. It will be used for geographic and resources surveys, environment and climate change monitoring, precision agriculture, disaster relief and city planning.

Source：http://en.gmw.cn/2014-08/20/content_12638291_6.htm

(Institute of Remote Sensing and Digital Earth，Chinese Academy of Sciences；Lanzhou Library，Chinese Academy of Sciences）