APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan

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APOD Science APOD APOD: 2026 October 20 – An… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. An Anticrepuscular Rainbow Fan Explanation: This is an unusual rainbow. For one thin…

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