Planetary-mass moon

The moon, Ganymede, is larger than Mercury and would be classed as a planet if it were orbiting the Sun rather than Jupiter.

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Mercury is smaller than ganymede but has more than twice the gravity of it, but even then, if they were out into a stable orbit together, ...

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Like Saturn's largest moon Titan, it is larger than the planet Mercury, but has somewhat less surface gravity than Mercury, Io, or the Moon due to its lower ...

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Ganymede has a larger diameter than Mercury (5262 km against 4879 km) but it is less massive (1.4819×10^23 kg against 3.3020×10^23 kg).

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Ganymede has a higher gas content and Mercury has a higher rock content. So while Ganymede can have a larger volume (i.e., bigger) than Mercury, ...

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Both Ganymede and Titan are bigger than Mercury; Ganymede's actually the biggest but Titan appears bigger because of its puffy atmosphere.

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Two moons in the Solar System, Ganymede and Titan, are larger than the planet Mercury, and a third, Callisto, is just slightly smaller than it, although all ...

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This difference may indicate that rays are erased at different rates on Gan- ymede than on Mercury, and/or that the population of late-stage impactors in the ...

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Dive deep into an extraordinary cosmic comparison as we pit Mercury, the Sun's innermost and smallest planet, against Ganymede, ...

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