APOD: 2026 October 28 – The Mutual Occultation of Ganymede and Io
Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
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How this summary was made: extractive summary — built from the sources' own reporting. It is drawn only from the reporting of the sources listed below — read the originals for full detail. How we summarize →