NASA正在使用大量的卫星，包括太阳系动态观测站，来研究耀斑对地球的威胁。
Nasa is using dozens of satellites – including the Solar Dynamics Observatory – to study the threat.
GPS控制段包括卫星指挥和控制、任务规划、协同管理、检测站以及地面天线。
The GPS control segment includes satellite command and control, mission planning, constellation management, monitoring stations, and ground antennas.
卫星观测站还肩负着其他七颗卫星的环境数据收集工作，用以研究自然灾害，空气质量，土地评估以及传染病研究，NASA表示。
The satellite observatory is carrying seven additional instruments to collect a range of environmental data for studies of natural hazards, air quality, land processes and epidemiology, NASA said.
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