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Planetary satellites (often called 'moons') are not to be confused with man-made satellites (such as weather and communications satellites) in orbit around the Earth. Planetary satellites are small bodies in orbit about a planet (actually the planet's system barycenter). Probably the best known planetary satellite is Earth's moon. Currently, we know of no satellites in orbit around Mercury or Venus. All the other planets have at least one known planetary satellite.
(http://ssd.jpl.nasa....)
More info on this website: http://www.skyandtel...



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Which planet has the most natural satellites?