Telescope have discovered what
appears to be the coldest brown
North Pole.
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man, an astronomer at Pennsyl-
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and right-eye views.
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sky, we still do not have a com-
visible when viewed by visible-light
body, the more it appears to move
in images taken months apart. Air-
mated to be 3 to 10 times the mass
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www.RocketSTEM .org
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