Tag Archives: Moons

How many moons does Uranus have?

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Uranus has 29 moons, as of 20 August 2025. These moons are divided into three groups: 5 major moons (Miranda, Ariel, Umbriel, Titania, and Oberon, all named for characters in Shakespeare’s “A Midsummer Night’s Dream”), 19 small inner moons and ten irregular moons orbiting further out. The largest of these is Titania, which is the 8th largest moon in the Solar System with a diameter of 1528 km. The most recently discovered moon has not yet been named, but has … Continue reading →

Welcome, Styx and Kerberos

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Earlier today, the International Astronomical Union (IAU) voted on names for the two most recently discovered moons of Pluto.  The larger of the two, formerly designated P4 will now be known as Kerberos, while P5 has been named Styx.  The decision was a slight departure from the results predicted by a public poll, because those chosen names were already being used to describe other bodies.  While the results of that poll (Vulcan and Cerberus) were widely reported as definitive, it … Continue reading →