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Astrophysicist Chronicles The Battle Over Pluto

08:20
    Neil deGrasse Tyson, director of the Hayden Planetarium at the American Museum of Natural History in New York, says he thinks Pluto is "happier" in its current classification as a dwarf planet. (topfoto.co.uk)
    Neil deGrasse Tyson, director of the Hayden Planetarium at the American Museum of Natural History in New York, says he thinks Pluto is "happier" in its current classification as a dwarf planet. (topfoto.co.uk)

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