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Birthday · December 9, 2025

The Heart of the Soul Nebula

December 9, 2025

The story of your birthday began billions of years before calendars existed, in furnaces of light and clouds of dust.

The Heart of the Soul Nebula

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APOD published December 9, 2025. Credit: Nicola Bugin. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

The Heart of the Soul Nebula

Original APOD · December 9, 2025

This cosmic close-up looks deep inside the Soul Nebula. The dark and brooding dust clouds outlined by bright ridges of glowing gas are cataloged as IC 1871. About 25 light-years across, the telescopic field of view spans only a small part of the much larger Heart and Soul nebulae. At an estimated distance of 6,500 light-years, the star-forming complex lies within the Perseus spiral arm of the Milky Way, seen in planet Earth's skies toward the constellation of the Queen of Aethiopia (Cassiopeia). An example of triggered star formation, the dense star-forming clouds of IC 1871 are themselves sculpted by the intense winds and radiation of the region's massive young stars. This color image adopts a palette made popular in Hubble images of star-forming regions.

Image credit: Nicola Bugin

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