Promoting science and technology education through spaceflight and weather balloons.

Rainbow Airglow over the Azores

By |2025-06-03T09:09:07-04:00June 3rd, 2025|Categories: NASA News, Uncategorized|Tags: , , , , , |

Photo of the Day Why would the sky glow like a giant repeating rainbow? Airglow. Now, air glows all of the time, but it is usually hard to see. A disturbance however -- like an approaching storm -- may cause noticeable rippling in the Earth's atmosphere. These gravity waves are oscillations in air analogous [...]

Anticrepuscular Rays: A Rainbow Fan over Spain

By |2025-02-04T08:09:06-05:00February 4th, 2025|Categories: NASA News, Uncategorized|Tags: , , , , , |

Photo of the Day Yes, but can your rainbow do this? Late in the day, the Sun set as usual toward the west. However, on this day, the more interesting display was 180 degrees around -- toward the east. There, not only was a rainbow visible, but an impressive display of anticrepuscular rays from [...]

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