APOD: 2026 September 22 – Chance Triple Alignment: Plane, Space Station, Sun
APOD Science APOD APOD: 2026 September 22 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss 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. Chance Triple Alignment: Plane, Space Station, Sun Explanation: This shot captured an unexpected silhouette. Which is it? It isn’t the sunspots , the small dark regions caused by concentrated magnetic field s visible around the Sun’s bright disk. Sunspots typically last for weeks and were expected, since these spots were seen previously. It isn’t the International Space Station (ISS), the small dark structure on the middle left. This is because the featured picture was planned with sub-second timing to record the iconic structure passing before the Sun . It is the airplane . Ju...
