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Galilean satellite |
Also found in: Wikipedia | 0.04 sec. |
Galilean satelliteAny of the four large satellites of Jupiter discovered by Galileo in 1610. In order of distance from Jupiter: Io (the most volcanically active body in the solar system), Europa (suspected to contain a liquid ocean under its frozen surface), Ganymede (the largest satellite in the solar system), and Callisto. Both Ganymede and Callisto are larger than Pluto and Mercury. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Other highlights of the session included a long look at Aldebaran, the bright-red star that serves as the bull's-eye in the Taurus constellation, as well as the four Galilean moons of Jupiter lined up in a neat row. Today, these four large satellites of Jupiter--the Galilean moons Io, Europa, Ganymede, and Callisto--are becoming familiar faces in the firmament. |
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