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please click on a thumbnail image at the bottom of this page.
Mercury Mercury is the closest planet to the Sun and the eighth largest planet in the solar system. The surface appearance of Mercury is much like that of our Moon. Mercury has no moons. This planet is the second densest major body in the solar system, after Earth. Orbit: 57,910,000 km from the Sun From left to right, planets are:
Diameter: 4,880 km
Mercury / Venus / Earth / Mars / Jupiter / Saturn / Uranus / Neptune / Pluto
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