Mmastodon ScienceScience first seen 7 h ago, last 4 h ago, peak #3

Supernumerary Rainbows Photographed Over New Jersey

Original: APOD: 2026 October 4 - Supernumerary Rainbows over New Jersey https://science.nasa.gov/image-article/apod-2026-october-4

NASA's Astronomy Picture of the Day for October 4, 2026 features an image of supernumerary rainbows over New Jersey. These faint, closely spaced extra bands appear inside a main rainbow and are caused by light wave interference, or diffraction, in water droplets of similar size. The picture explains the optics behind the phenomenon and why the pastel-colored fringes are sometimes spotted after showers.

Why now: The striking optics phenomenon is being shared as NASA's featured astronomy image of the day.

NASANew Jersey

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Evidence

• APOD: 2026 October 4 - Supernumerary Rainbows over New Jersey https://science.nasa.gov/image-article/apod-2026-october-4-supernumerary-rainbows-over-new-jersey/ # Space # Astronomy # Science · nasa@robot.villas · 4

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