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  2. List of Solar System objects by size - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System...

    Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...

  3. List of natural satellites - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_satellites

    Of the Solar System's eight planets and its nine most likely dwarf planets, six planets and seven dwarf planets are known to be orbited by at least 300 natural satellites, or moons. At least 19 of them are large enough to be gravitationally rounded; of these, all are covered by a crust of ice except for Earth's Moon and Jupiter's Io . [ 1 ]

  4. List of Solar System objects - Wikipedia

    en.wikipedia.org/wiki/List_of_Solar_System_objects

    The following is a list of Solar System objects by orbit, ordered by increasing distance from the Sun. Most named objects in this list have a diameter of 500 km or more. The Sun, a spectral class G2V main-sequence star; The inner Solar System and the terrestrial planets. 2021 PH27; Mercury. Mercury-crossing minor planets; Venus. Venus-crossing ...

  5. Natural satellite - Wikipedia

    en.wikipedia.org/wiki/Natural_satellite

    Moons of the Solar System (The Planetary Society, as of March 2009) The JPL's Solar System Dynamics page "How Many Solar System Bodies". NASA/JPL Solar System Dynamics; Planetary Names: Planet and Satellite Names and Discoverers "Upper size limit for moons explained" Kelly Young. Nature (vol 441, p. 834) 14 June 2006

  6. Moon - Wikipedia

    en.wikipedia.org/wiki/Moon

    The Moon is by size and mass the fifth largest natural satellite of the Solar System, categorizable as one of its planetary-mass moons, making it a satellite planet under the geophysical definitions of the term. [17] It is smaller than Mercury and considerably larger than the largest dwarf planet of the Solar System, Pluto. The Moon is the ...

  7. Astronomers Find New Mysterious Moons in Our Solar System ...

    www.aol.com/astronomers-mysterious-moons-solar...

    According to NASA's website, there are 293 confirmed moons in the solar system. We’re highlighting our top 30 favorite moons here. This whimsical ranking, which we initially conceived of in 2019 ...

  8. Planetary-mass moon - Wikipedia

    en.wikipedia.org/wiki/Planetary-mass_moon

    The distinction between a satellite and a classical planet was not recognized until after the heliocentric model of the Solar System was established. When in 1610 Galileo discovered the first satellites of another planet (the four Galilean moons of Jupiter), he referred to them as "four planets flying around the star of Jupiter at unequal intervals and periods with wonderful swiftness."

  9. Moons of Uranus - Wikipedia

    en.wikipedia.org/wiki/Moons_of_Uranus

    Uranus, the seventh planet of the Solar System, has 28 confirmed moons. The 27 with names are named after characters that appear in, or are mentioned in, William Shakespeare's plays and Alexander Pope's poem The Rape of the Lock. [1] Uranus's moons are divided into three groups: thirteen inner moons, five major moons, and ten irregular moons.