格伦·沃尔德说，LED照明方案第一代存在的问题——整体亮度也有了大幅度的改善。
And Grunwald says overall luminosity - an issue with the first generation of LED lighting solutions - has also drastically improved.
但有时，即使当系统在没有相互重叠时，这一对恒星的整体亮度也会明显下降——暗示着，还有第三个物体围绕着这一对恒星作轨道运转。
Sometimes, however, the system's overall brightness dipped even when the stars were not eclipsing each other-hinting at the presence of a third body orbiting the binary pair.
同类鱼群”被分成两组，两组”鱼群”是由整体表面积和亮度都一致的几何形状组成的，只是每组里”鱼群”内个体数量不一样。
Using these shapes, the team arranged the two "shoals" so that they had the same overall surface area and luminance even though they contained a different number of objects.
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