NASA astronomers working with the Hubble Space Telescope announced on Wednesday that they had found a fifth moon circling the dwarf planet Pluto, The Voice of Russia reported.
The new moon, provisionally named P5, is estimated between 10km and 25km across.
In keeping with International Astronomical Union rules, Pluto's satellites are to be named after ancient Greek gods of the underworld. The name "Pluto" itself was first proposed in 1930 by Venice Bernie, an eleven-year-old schoolgirl from Oxford, England.
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