A stunning 22-degree halo surrounds the sun, visible behind a silhouetted tree trunk. This optical phenomenon, caused by ice crystals in the atmosphere, was captured near Heroldstatt, Germany, on a day when Earth reached perihelion—its closest point to the Sun in its orbit. The image beautifully contrasts the celestial event with the earthly landscape.

Astronomy Picture from 13/01/2024

Circling the Sun

Source: https://apod.nasa.gov/apod/ap240113.html


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This is a phenomenon called a Sun Dog. It's created by light reflections off ice crystals in the atmosphere. The light causes a partial ring around the sun. The 3 and 9 positions tend to be the best.

The Sun Dogs were great this morning.🧪

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