The Astronomy Picture of the Day for October 4th, 2026 showcases supernumerary rainbows observed over New Jersey. The stunning visual was captured on that date and highlights an atmospheric phenomenon caused by ice crystals refracting light. These secondary rainbow arcs appear fainter than primary rainbows due to their position relative to the sun’s angle. The image provides a detailed view of this celestial display, offering insight into how light interacts within the atmosphere. This particular photograph represents one selection from the extensive APOD Archive Submissions Index.
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This PlaneNews briefing summarizes reporting originally published by www.nasa.gov.
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