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Planet and Satellite Sizes

Planet and Satellite Sizes
Some of the largest moons in the solar system are as large as or larger than the smallest planets. Depicted here to scale are top row, from left to right, Earth, Mars, Mercury, and Earth's moon; second row, Jupiter’s satellites Io and Europa; third row, Jupiter’s moons Ganymede and Callisto; and bottom row, Venus and Saturn’s moon Titan.
NASA
Appears in these articles:
Natural Satellite; Mercury (planet)
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