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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
Saturn's natural satellites — Saturn is currently known to have 56 moons, many of which were discovered very recently, and 3 additional un-confirmed, hypothetical moons. However, ... > read more
Deimos (moon) — Deimos is probably an asteroid that was perturbed by Jupiter into an orbit that allowed it to be captured by Mars, though this hypothesis is still in ... > read more
Eclipse — An eclipse is an astronomical event that occurs when one celestial object moves into the shadow of another. The term is most often used to describe ... > read more
Dysnomia (moon of Eris) — Dysnomia, is a moon of the dwarf planet Eris. The satellite is about 60 times fainter than Eris, and its diameter is estimated to be approximately ... > read more
Gas giant — A gas giant is a large planet that is not primarily composed of rock or other solid matter. Gas giants may have a rocky or metallic core—in ... > read more
Galileo Galilei — Galileo Galilei (Pisa, February 15, 1564 to January 8, 1642), was an Italian physicist, astronomer, and philosopher who is closely associated with ... > read moreNote: 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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