Astronomy Picture of the Day · June 3, 2025

Rainbow Airglow over the Azores

The Astronomy Picture of the Day for June 3, 2025 is “Rainbow Airglow over the Azores,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Miguel Claro ( TWAN ); Rollover Annotation: Judy Schmidt). The original explanation runs about 199 words.

A starfield is seen over water, clouds, and the lights of a city below. The starfield is oddly not black, but shows a repeating assortment of transparent colors diagonally from the lower left to the upper right. Please see the explanation f — Credit: Image Credit & Copyright: Miguel Claro ( TWAN ); Rollover Annotation: Judy Schmidt Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Why would the sky glow like a giant repeating rainbow? Airglow .”

— APOD editors, June 3, 2025

Read the full explanation on science.nasa.gov

At a glance

Date: June 3, 2025
Type: Image
Credit: Credit: Image Credit & Copyright: Miguel Claro ( TWAN ); Rollover Annotation: Judy Schmidt
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 199 words