It has three billion pixels, a five-foot-wide optical lens, and it took scientists at the SLAC National Accelerator Lab nearly two decades to build it.

它拥有30亿像素，配有一个5英尺宽的光学透镜，美国能源部斯坦福直线加速器（SLAC）国家加速实验室的科学家们用时近20年打造出了这台相机。