Altronis Space / News / Science

APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan

GlobalScience2026-10-20

NASA's Astronomy Picture of the Day features an anticrepuscular rainbow fan, providing a daily visual and explanatory look at a specific atmospheric optical phenomenon.

This is an AI-written summary of reporting by NASA, generated only from the source's own headline and abstract. Read the full story at NASA.