Astronomers discuss opportunities from planned return to moon

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The moon has very little atmosphere, and lots of dust. Those are some of the things being considered this week at the home of the Hubble Space Telescope, where astronomers are discussing the opportunities offered by NASA's plan to return to the moon, including the possibility of a telescope on the lunar surface. The moon is a large, stable platform with very little atmosphere to interfere with viewing the stars. However, the size of any lunar telescope — whether it would be built on Earth and unfold on arrival, or be assembled on the moon, and how it would be funded — all remain to be decided

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