charon (moon) wikipedia - EAS

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

    Charon , known as (134340) Pluto I, is the largest of the five known natural satellites of the dwarf planet Pluto. It has a mean radius of 606 km (377 mi). Charon is the sixth-largest known trans-Neptunian object after Pluto, Eris, Haumea, Makemake and Gonggong. It was discovered in 1978 at the United

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    Charon was discovered by United States Naval Observatory astronomer James Christy, using the 1.55-meter (61 in) telescope at United States Naval Observatory Flagstaff Station (NOFS). On June 22, 1978, he had

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    Simulation work published in 2005 by Robin Canup suggested that Charon could have been formed by a collision around 4.5 billion years ago, much like Earth and the Moon. In this model, a large Kuiper belt object struck Pluto at high velocity, destroying itself and

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    Since the first blurred images of the moon (1), images showing Pluto and Charon resolved into separate disks were taken for the first time by the Hubble Space Telescope in

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    Author Edmond Hamilton referred to three moons of Pluto in his 1940 science fiction novel Calling Captain Future, naming them Charon, Styx, and Cerberus.
    After its discovery, Charon was originally known by the temporary designation S/1978 P 1, according to

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    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

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    Charon's diameter is 1,212 kilometres (753 mi), just over half that of Pluto. Larger than the dwarf planet Ceres, it is the twelfth-largest natural satellite in the Solar System. Charon is even similar in

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    The center of mass (barycenter) of the Pluto–Charon system lies outside either body. Because neither object truly orbits the other, and Charon has 12.2% the mass of Pluto, it has been argued that Charon should be considered to be part of a binary system with

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  2. https://simple.wikipedia.org/wiki/Charon_(moon)
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    The moon is named after Charon in Greek mythology, a boatman who would carry the souls of dead people across the river Acheron to the underworld.
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    • https://en.wikipedia.org/wiki/Charon

      Charon, the largest moon of the dwarf planet Pluto, is named after him.

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      • https://en.wikipedia.org/wiki/Talk:Charon_(moon)/archive_1
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        I've heard all kinds of pronunciations for this - even chair'-un. Would be good to know if Christy pronounced the first syllable as Charlene (shar'-un), or if he pronounced it like Sharon (shair'-un), which is easier to say. It would be nice to reduce the pronunciation to just two variants, Christy's and classical. Don't know i…
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      • https://commons.wikimedia.org/wiki/Category:Charon_(moon)

        Earth-Moon Pluto-Charon barycenter.png 14,476 × 480; 417 KB Locations of the planets and the moons by a NASA Telescope(NASAPIC-00001-C2020).png 480 × 529; 83 KB Mass of Pluto's Moons.png 1,002 × 669; 16 KB

      • https://en.wikipedia.org/wiki/Moons_of_Pluto

        History. 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.



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