Hubble discovers new moon orbiting Pluto

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Hubble discovers new moon orbiting Pluto

Post by DRatledge » Fri Jul 22, 2011 7:47 pm

Astronomers using the Hubble Space Telescope have discovered a new moon orbiting the (dwarf) planet Pluto. Designated S/2011 (134340) 1 by the International Astronomical Union — but nicknamed P4 — the newcomer orbits Pluto every 32 days at a distance of about 37,000 miles (59,000 km). This puts it between the paths of Nix and Hydra, two moons found circling Pluto in 2005.

Pluto and its four known moons, including the new one nicknamed "P4," were imaged by the Hubble Space Telescope's Wide Field Camera 3 on June 28, 2011. The discovery brings the total of Pluto's moons (including Charon, its largest) to four


Re: Hubble discovers new moon orbiting Pluto

Post by dean_kos » Fri Jul 13, 2012 6:24 am

Hubble has just discovered another one ! That makes five moons of Pluto so far.

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