The US National Aeronautics and Space Administration (Nasa) has announced that the Stratospheric Observatory for Infrared Astronomy (Sofia) has, for the first time, confirmed the existence of water on the sunlit surface of the Moon. This discovery suggests that water may be much more widely spread across the lunar surface than previously believed. It also raises new questions for scientists to answer. Sofia is a modified Boeing 747SP airliner fitted with a 106-inch (269.24 cm) diameter ...
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