《月球坠落》是一部由环球影业出品的影片，该片由罗兰·艾默里奇执导。
美国航空航天局将向月球坠落两艘无人宇宙飞船以探测冰水是否存在。
Nasa is set to crash two unmanned spacecraft into the Moon in a bid to detect the presence of water-ice.
它后来坠落在月球上的云海。
科学家一直认为，月球上如果存在水，那应该是过去数十亿年中由冰构成的彗星坠落在月球所沉积下来的。
If there is water, it would probably have been deposited when comets, which are comprised largely of ice, collided with the moon over billions of years.
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