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ShareJupiter has 63 known natural satellites.
Although claims are made for the observation of one of Jupiter's moons by Chinese astronomer Gan De in 364 BC, the first certain observations of Jupiter's satellites are those of Galileo Galilei in 1610, who sighted the four large Galilean moons with his 33x telescope.
For more information about the topic Jupiter's moons, read the full article at Wikipedia.org, or see the following related articles:
Neptune's natural satellites — Neptune has 13 known moons. The largest by far is Triton, discovered by William Lassell just 17 days after the discovery of Neptune itself. It took a ... > read more
Uranus' natural satellites — Uranus has 27 known moons. The first two moons (Titania and Oberon) were discovered by William Herschel on March 13, 1787. Two more moons (Ariel and ... > read more
Jupiter — Jupiter is the fifth planet from the Sun and by far the largest within the solar system. Jupiter is usually the fourth brightest object in the sky ... > read more
Geosynchronous orbit — A geosynchronous orbit is a geocentric orbit that has the same orbital period as the sidereal rotation period of the Earth. It has a semi-major axis ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Jupiter's moons at Wikipedia.org. See the Wikipedia copyright page for more details.
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