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After 1． (land) probes on the lunar and Martian surfaces, China has begun to set its exploratory sights on the core of our solar system - the sun.

Named Xihe (羲和号)after the sun goddess in ancient Chinese mythology (神话), the 508-kilogram Chinese H-Alpha Solar Explorer satellite 2． (launch) on Oct 14 from the Taiyuan Satellite Launch Center in Shanxi province.

The spacecraft, 3． is China’s first space-based solar telescope, is designed to work for at least three years, Wang Wei, project manager of the satellite, told China Daily. 4． (it) scientific payload (载荷) is an H-alpha imaging spectrograph (成像光谱仪). The instrument is able to observe and record changes in the sun’s physical 5． (element) like its temperature and speed.

It is 6． (importance) for mankind to study the sun because solar activity 7． (have) many effects on life on Earth, Zhao Jian, a senior official at the China National Space Administration, told China Daily.

“Our country is ranked No. 2 in the world in terms of published research papers on solar observations, 8． all of the satellite-produced data 9． (use) by our scientists are from foreign spacecraft,” Zhao told China Daily. “Xihe will put an end 10． the dependence on foreign satellites, and we will share its products with researchers around the world.”