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Mercury orbits closest to the Sun of all the planets, and is the smallest. Mercury's diameter is 4,879 km (3,032 mi), and its volume and mass are about one-eighteenth that of Earth. Discover more information about Mercury, including pictures.
Mercury - Pictures and Astronomy Facts - Solar System Planetary Astronomical Data and Pictures of Mercury
Mercury - Pictures and Astronomy Facts - Solar System Planetary Astronomical Data and pictures of Mercury. Astronomy Guide to Space exploration close to home. Information on our solar system. Named after the Roman god of commerce, travel and thievery, Mercury is the closest planet to the Sun and the eighth largest. Mercury's existence has been known of since before the third century BC.
Top 10 Things You Should Know About Mercury - Solar System Facts
Named after the Roman god of commerce, travel and thievery, Mercury is the second smallest planet in the solar system, larger only than Pluto, the most distant planet in our solar system. If Earth were the size of a baseball, Mercury would be the size of a golf ball. Viewed from Mercury, the Sun would look almost three times as large as it does from Earth.
Mercury - Pictures & Astronomy Facts - Planetary Data & Mercury Images
Discover Mercury astronomy facts as part of our solar system planetary tour. Find Mercury planetary data and pictures. Mercury, closest planet to the Sun and smallest.

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