The Astronomy Picture of the Day (APOD) for 8 November 2026 features a major fireball meteor, an exceptionally bright meteoroid that streaked across the sky leaving a luminous trail. APOD, a daily project run by NASA and Michigan Technological University, selects a different image of the universe each day, accompanied by a short explanation written by a professional astronomer.
Fireballs are meteoroids that enter the atmosphere at tens of kilometres per second and disintegrate as they rub against the air, releasing energy that shows up as a flash visible even in daylight. Major fireballs are uncommon and often generate shock waves detectable by infrasound, as well as fragments that can reach the ground as meteorites.
The image is part of the APOD archive, which has published a different astronomical photograph every day since 1995. The project includes a calendar, an index and a search tool for retrieving earlier images, as well as an education section and discussion forums where amateur and professional astronomers comment on the observations.
Photographic records of this kind help document the frequency and brightness of fireballs, data useful for estimating how much material the Earth captures each year and for assessing the risk of larger impacts.