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发帖数: 1994 | 1 Jupiter, Io and Shadow
Credit: Cassini Imaging Team, Cassini Project, NASA
Explanation: Pictured above is the innermost of Jupiter's Galilean satellites, Io, superposed
in front of the gas giant planet. To the left of Io is a dark spot that is Io's own shadow. A solar
eclipse would be seen from within the shadow spot on Jupiter. Viewed from planet Earth,
similar shadows of Jupiter's large moons can often be seen crossing the giant planet's disk.
But during the next several months, t |
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