The conspicuous black spot on Jupiter is Io’s shadow and is about the size of the moon itself (2,262 miles or 3,640 kilometers across). This shadow sails across the face of Jupiter at 38,000 mph (17 kilometers per second). The smallest details visible on Io and Jupiter measure 93 miles (150 kilometers) across, or about the size of Connecticut.
Talking about satellite crossing the ways with their planet, do you know that the moon is crossing Sun-Earth line and cause a total solar eclipse in North America? 🇺🇸 We talked about this inside our latest podcast episode!
Credit: J. Spencer (Lowell Observatory) and NASA/ESA
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