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APOD: 2026 October 6 – A Complete Auroral Oval from SMILE
ienceAPODAPOD: 2026 October 6 – A...Today's APODArchiveSubmissionsIndexSearchCalendarRSSEducationAboutDiscuss 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. ESA, CAS, SMILE, UVI A Complete Auroral Oval from SMILE Explanation: Have you ever seen a complete auroral oval? You can't see one from the ground because it makes too large a circle around one of Earth's magnetic poles.
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