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Birthday · November 25, 2023

Little Planet Aurora

November 25, 2023

On the day you were born, the universe was already ancient beyond measure — and yet, in all those billions of years, it had never once...

Little Planet Aurora

A little universe, just for you

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APOD published November 25, 2023. Credit: Victor Lima. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

Little Planet Aurora

Original APOD · November 25, 2023

Immersed in an eerie greenish light, this rugged little planet appears to be home to stunning water falls and an impossibly tall mountain. It's planet Earth of course. On the night of November 9 the nadir-centered 360 degree mosaic was captured by digital camera from the Kirkjufell mountain area of western Iceland. Curtains of shimmering Aurora Borealis or Northern Lights provide the pale greenish illumination. The intense auroral display was caused by solar activity that rocked Earth's magnetosphere in early November and produced strong geomagnetic storms. Kirkjufell mountain itself stands at the top of the stereographic projection's circular horizon. Northern hemisphere skygazers will recognize the familiar stars of the Big Dipper just above Kirkjufell's peak. At lower right the compact Pleiades star cluster and truly giant planet Jupiter also shine in this little planet's night sky.

Image credit: Victor Lima

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