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Astronomerspuzzledbycosmicblackhole
BySETHBORENSTEIN,APScienceWriter
2hours,37minutesago
WASHINGTON-Astronomershavestumbleduponatremendousholeintheuniverse.That\'sgotthemscratchingtheirheadsaboutwhat\'sjustnotthere.Thecosmicblankspothasnostraystars,nogalaxies,nosuckingblackholes,notevenmysteriousdarkmatter.Itis1billionlightyearsacrossofnothing.That\'sanexpanseofnearly6billiontrillionmi...[
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