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Old 07-August-2005, 05:02 PM
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Eroica Eroica is offline
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Quote:
Originally Posted by hhEb09'1
Quote:
Originally Posted by Arneb
Io - 1822 km
Europa - 1568 km
Ganymede - 2634 km
Callisto - 2582 km
Since the Sun is so much larger than the moons, shouldn't the umbras be smaller than the moons? For instance, during an annular solar eclipse here on earth, the umbra is non-existent.
](*,) Yes, of course! Strike that.

Any other takers? Arneb's figures are very different from my own (but that only means that at least one of us is way off! )
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