The Sky Today on Tuesday, September 29: Ganymede transits Jupiter

This astronomy report details the transit of Jupiter's moon Ganymede across the planet's disk, visible to observers in the United States. It also provides information on other celestial events, including the occultation of Io and the visibility of Saturn's moon, Titan.
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Jupiter’s largest moon, Ganymede, transits the gas giant’s disk this morning. Some part of the event, which lasts more than three hours in total, is visible for all U.S. observers.
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