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tiny-tim
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#7
Mar9-12, 12:32 PM
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actually, now that i've checked it in wikipedia, charon is actually about half the radius of pluto (600 km and 1160 km), so visually timing when it goes behind pluto is going to be rather difficult

(i'd assumed they were like phobos and mars )

perhaps you'll need to measure how the brightness of the pair varies?