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  2. Moons of Pluto - Wikipedia

    en.wikipedia.org/wiki/Moons_of_Pluto

    The innermost and largest moon, Charon, was discovered by James Christy on 22 June 1978, nearly half a century after Pluto was discovered. This led to a substantial revision in estimates of Pluto's size, which had previously assumed that the observed mass and reflected light of the system were all attributable to Pluto alone.

  3. Charon (moon) - Wikipedia

    en.wikipedia.org/wiki/Charon_(moon)

    A simulated view of the Pluto–Charon system showing that Pluto orbits a point outside itself. Also visible is the mutual tidal locking between the two bodies. Charon and Pluto orbit each other every 6.387 days. The two objects are gravitationally locked to one another, so each keeps the same face towards the other. This is a case of mutual ...

  4. Pluto - Wikipedia

    en.wikipedia.org/wiki/Pluto

    Pluto and Charon are sometimes considered a binary system because the barycenter of their orbits does not lie within either body, and they are tidally locked. New Horizons was the first spacecraft to visit Pluto and its moons, making a flyby on July 14, 2015, and taking detailed measurements and observations.

  5. Webb telescope reveals surprising details of Pluto's moon Charon

    www.aol.com/news/webb-telescope-reveals...

    Observations by the James Webb Space Telescope are giving scientists a fuller understanding about the composition and evolution of Pluto's moon Charon, the largest moon orbiting any of our solar ...

  6. Nix (moon) - Wikipedia

    en.wikipedia.org/wiki/Nix_(moon)

    Nix is a natural satellite of Pluto, with a diameter of 49.8 km (30.9 mi) across its longest dimension. [3] It was discovered along with Pluto's outermost moon Hydra on 15 May 2005 by astronomers using the Hubble Space Telescope, [1] and was named after Nyx, the Greek goddess of the night. [10]

  7. New Horizons spacecraft captures first images of Pluto moons

    www.aol.com/article/2015/02/19/new-horizons...

    NASA launched the New Horizon spacecraft in 2006 to learn more about the icy dwarf planet Pluto. Here are some of the first photos from that mission, taken from between 125 and 115 million miles away.

  8. Hydra (moon) - Wikipedia

    en.wikipedia.org/wiki/Hydra_(moon)

    Hydra orbits the Pluto-Charon barycenter at a distance of 64,738 km (40,226 mi). [10] Hydra is the outermost moon of Pluto, orbiting beyond Kerberos. [11] Similarly to all of Pluto's moons, Hydra's orbit is nearly circular and is coplanar to Charon's orbit; all of Pluto's moons have very low orbital inclinations to Pluto's equator. [11]

  9. Frozen gases give Pluto's moon its red cap - AOL

    www.aol.com/news/2016-09-14-frozen-gases-give...

    Data from the New Horizons probe may explain how the red cap atop Pluto’s largest moon formed.