Wide-Field Infrared Explorer

NASA 's Wide-Field Infrared Survey Explorer has scanned the entire sky in infrared light , twice ,

NASA的广谱红外调查探测设备已经第二次用红外线扫描出这颗星球的全部大气层，

NASA 's Wide-Field Infrared Survey Explorer has scanned the entire sky in infrared light - twice - and ruled out any hidden bodies larger than Saturn out to 10000 times the distance from the Earth to the sun .

NASA的广谱红外调查探测设备已经第二次用红外线扫描出这颗星球的全部大气层，排除了任何可能比土星大，距离地球到太阳一万倍的任何隐藏物体。