The article focuses on proposals for a replacement for the Hubble Space Telescope. It states neither of the U.S. National Aeronautic Space Administration's next-generation observatories, a repurposed infrared spy satellite WFIRST and the James Webb Space Telescope, will study ultraviolet radiation. It mentions astrophysicist John Mather and other astronomers are proposing a successor with a mirror between 10 and 12 meters in diameter and criticism of the likely cost of the proposed telescope.
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