TAIYUAN, May 11 (Xinhua) -- China sent a remote sensing satellite group into space from the Taiyuan Satellite Launch Center in north China's Shanxi Province on Sunday.

Launched at 9:27 p.m. (Beijing Time) aboard a modified version of the Long March-6 rocket, the Yaogan-40 02 satellite group has entered planned orbit successfully, according to the launch center.

These satellites will be used to carry out electromagnetic environment detection and related technical tests.

Sunday's launch marks the 574th mission undertaken by the Long March rocket series, according to the center.■