科学家们利用美国宇航局可回收的“深度撞击”彗星探测器的母船，来观测地球、月球和火星的反射光。

Scientists used the mothership of NASA's recycled Deep Impact comet probe to look at light reflected off Earth, the moon and Mars.

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高位侧光一般用于拍摄人像，通常称为“伦勃朗用光法”，这种用光方式强调边缘和深度。

Light emitted from above and to the side when applied to portraits creates what is often referred to as "Rembrandt lighting". This form of lighting emphasizes edges and depth.

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虽然从你的视角来看，这光晦暗不明，如在深坑，但是那些盼望的光束能够在任何深度抵达你。

Though the Light looks dim from your perspective, deep in the pit, those rays of hope can reach you at any depth.

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