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Birthday · December 25, 2023

Cathedral, Mountain, Moon

December 25, 2023

You were born on a tiny world orbiting an ordinary star in an unremarkable galaxy — and yet, the fact that you exist at all is the most...

Cathedral, Mountain, Moon

A little universe, just for you

Your date.
Ready to give.

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APOD published December 25, 2023. Credit: Valerio Minato. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

Cathedral, Mountain, Moon

Original APOD · December 25, 2023

Single shots like this require planning. The first step is to realize that such an amazing triple-alignment actually takes place. The second step is to find the best location to photograph it. But it was the third step: being there at exactly the right time -- and when the sky was clear -- that was the hardest. Five times over six years the photographer tried and found bad weather. Finally, just ten days ago, the weather was perfect, and a photographic dream was realized. Taken in Piemonte, Italy, the cathedral in the foreground is the Basilica of Superga, the mountain in the middle is Monviso, and, well, you know which moon is in the background. Here, even though the setting Moon was captured in a crescent phase, the exposure was long enough for doubly reflected Earthlight, called the da Vinci glow, to illuminate the entire top of the Moon. Your Sky Surprise: What picture did APOD feature on your birthday? (post 1995)

Image credit: Valerio Minato

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