Mercury

The planet nearest to the sun in our solar system.


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Equatorial diameter 4878000 mClip
Average Density 5420 kgm-3Clip
Axial tilt 2 degreesClip
Rotational period 58.65 hoursClip
Average surface temperature -170 to 430 CClip
Maximum apparent magnitude -1.4 Clip
Aphelion 69700000000 mClip
Perihelion 45900000000 mClip
Orbital tilt 7 degreesClip
Orbital period 87.97d y=Earth year, d=Earth dayClip
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See also: Earth, Jupiter, Mars, Neptune, Pluto, Saturn, Solar System, Sun, Uranus, Venus.

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Subjects: Astronomy Physics


Weblinks:
NASA Photographic Library Photographs from NASA available for viewing and download.
The Nine Planets A Multimedia Tour of the Solar System: one star, eight planets, and more.