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#23 Says 'total' solar eclipse. Io doesn't have to block out the sun for it's entire shadow to be visible on Jupiter's surface. So if we could see it from Jupiter, Io would pass between us and the sun but it wouldn't eclipse it entirely.
agreed. Not to mention the fact that anywhere there's an object that appears at least as large as the star it transits in front of, will also cause a total eclipse. If our moon were twice it's size, it would still totally eclipse the sun.
Chat,
I meant thursa there. Thursa is correct. you can clearly see IO is blocking out the sun just like a total solar eclipse does here.
I'll guess it was for gambling purposes, worlds first roulette wheel. There you go a more likely answer than it was made to model a spiral galaxy (like the lower left picture is trying to suggest)...