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Jupiter giant satellite is larger than both Mercury and Pluto. The figure is taken from ESA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Ganymede is the largest moon in the solar system

Jupiter giant satellite is larger than both Mercury and Pluto

Ganymede has a diameter of roughly 5,268 kilometres, making it larger than the planet Mercury and dwarf planet Pluto. It is also the only moon in the solar system known to possess its own internally generated magnetic field, complete with colourful polar auroras.

Ganymede - Perijove 34 Composite — NASA/JPL-Caltech/SwRI/MSSS/Kevin M. Gill · CC BY 2.0 · licence · source

Where this comes from

ESA

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Tags: ganymede, jupiter, moons

Ganymede is the largest moon in the solar system: the short answers

Where does this come from, and can I check it?: Jupiter giant satellite is larger than both Mercury and Pluto. The figure is taken from ESA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a space fact?: Yes. It sits on the Space shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.