APOD: 2026 October 28 - The Mutual Occultation of Ganymede and Io
NASA's Astronomy Picture of the Day features an image of two large Jupiter moons passing in front of each other. Ganymede and Io are shown partially covering each other from our vantage point in space. The event is a rare occurrence that allows astronomers to study these moons up close.
Why it's good news: It offers a unique opportunity to see these celestial bodies interact with each other, providing valuable insights into the Jupiter system.
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