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"2" bgcolor="#000000" align="center" <br><small><font color="white">Click image for description</font></small>
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"#a0ffa0" colspan="2" Discovery
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"left" Discovered by
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"http://wwwinformationdelightinfo/encyclopedia/entry/Galileo_Galilei" class="copylinks">G Galilei
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"left" Discovered on
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"http://wwwinformationdelightinfo/encyclopedia/entry/January_7" class="copylinks">January 7 , 1610
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"#a0ffa0" colspan="2" Orbit al characteristics
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"left" Mean Radius
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"http://wwwinformationdelightinfo/encyclopedia/entry/kilometer" class="copylinks">Km (0002819 AU )
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"left" Eccentricity
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"left" Periapsis
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"http://wwwinformationdelightinfo/encyclopedia/entry/kilometer" class="copylinks">Km (0002807 AU)
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"left" Apoapsis
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"http://wwwinformationdelightinfo/encyclopedia/entry/kilometer" class="copylinks">Km (0002830 AU)
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"left" Revolution period
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"left" Orbital Circumference
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"http://wwwinformationdelightinfo/encyclopedia/entry/kilometer" class="copylinks">Km (0018 AU)
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"left" Orbital Velocity
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"left" Inclination
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"http://wwwinformationdelightinfo/encyclopedia/entry/ecliptic" class="copylinks">Ecliptic )<br/>005° (to Jupiter's equator)
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"left" Is a Satellite of
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"http://wwwinformationdelightinfo/encyclopedia/entry/Jupiter_(planet)" class="copylinks">Jupiter
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"#a0ffa0" colspan="2" Physical characteristics
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"left" Mean Diameter
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"left" Surface Area
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"http://wwwinformationdelightinfo/encyclopedia/entry/1_E13_m&2" class="copylinks">41,910,000 Km<sup>2</sup> (0082 Earths)
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"left" Volume
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"http://wwwinformationdelightinfo/encyclopedia/entry/1E19_m3" class="copylinks">253 Km<sup>3</sup> (0023 Earths)
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"left" Mass
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"http://wwwinformationdelightinfo/encyclopedia/entry/kilogram" class="copylinks">Kg (0015 Earths)
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"left" Mean Density
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"left" Surface Gravity
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"http://wwwinformationdelightinfo/encyclopedia/entry/Acceleration" class="copylinks">M/s<sup>2</sup> (0183 ''g'')
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"left" Escape Velocity
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"left" Rotation period
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"http://wwwinformationdelightinfo/encyclopedia/entry/synchronous_rotation" class="copylinks">Synchronous
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"left" Equator ial<br/>rotation velocity
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"left" Axial Tilt
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"left" Albedo
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"left" Apparent Magnitude
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"left" Surface Temp
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"0" cellpadding="2" border="0"
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"#a0ffa0" colspan="2" Atmospheric characteristics
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"left" Atmospheric Pressure
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"http://wwwinformationdelightinfo/encyclopedia/entry/Sulfur_dioxide" class="copylinks">Sulfur Dioxide
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