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Its eight regular moons are grouped into the planet-sized Galilean moons and the far smaller Amalthea group. They were named after lovers of Zeus, the Greek equivalent of Jupiter. Among them is Ganymede, the largest and most massive moon in the Solar System. Its 87 known irregular moons are organized into two categories: prograde and retrograde.
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Titan, at 5,149 km diameter, is the second largest moon in the Solar System and Saturn's largest. [ 68 ] [ 44 ] Out of all the large moons, Titan is the only one with a dense (surface pressure of 1.5 atm ), cold atmosphere, primarily made of nitrogen with a small fraction of methane . [ 69 ]
There are more than 150 confirmed moons in our solar system—we ranked 'em all. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...
The remaining objects of the Solar System (including the four terrestrial planets, the dwarf planets, moons, asteroids, and comets) together comprise less than 0.002% of the Solar System's total mass. [h] The Sun is composed of roughly 98% hydrogen and helium, [41] as are Jupiter and Saturn.
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
The new discovery increases the moons orbiting the "jewel of our solar system" to 82, surpassing Jupiter
A montage of Jupiter and its four largest moons (distance and sizes not to scale) There are 95 moons of Jupiter with confirmed orbits as of 5 February 2024. [1] [note 1] This number does not include a number of meter-sized moonlets thought to be shed from the inner moons, nor hundreds of possible kilometer-sized outer irregular moons that were only briefly captured by telescopes. [4]