TAIYUAN, April 9 (Xinhua) -- China sent a new satellite group into space from the Taiyuan Satellite Launch Center in north China's Shanxi Province on Thursday.

The satellite group, the 21st group of low-orbit internet satellites, was launched at 3:38 a.m. (Beijing time) aboard a modified Long March-6 carrier rocket and has entered its preset orbit.

This launch marked the 637th flight mission of the Long March carrier rocket series.