Scientists used the mothership of NASA's recycled Deep Impact comet probe to look at light reflected off Earth, the moon and Mars.
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。
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Three spacecraft — India's Chandrayaan-1 lunar orbiter, NASA's Saturn-bound Cassini probe, and the agency's Deep Impact comet mission — all detected evidence of water molecules on the moon's surface.