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Birthday · December 4, 2023

Plane Crossing Crescent Moon

December 4, 2023

The Moon has changed phase thousands of times since the beginning of the cosmos, but only once did it shine on the night you arrived.

Plane Crossing Crescent Moon

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APOD published December 4, 2023. Credit: Juned Patel. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

Plane Crossing Crescent Moon

Original APOD · December 4, 2023

No, the Moon is not a bow, and no, it did not shoot out a plane like an arrow. What is pictured is a chance superposition. The plane's contrail would normally appear white, but the large volume of air toward the rising Sun preferentially knocked away blue light, not only making the sky blue, but giving the reflected trail a bright red hue. Far in the distance, well behind the plane, the crescent Moon also appears slightly reddened. Captured early last month from Bolton, UK, the featured image was taken so soon after sunrise that the plane was sunlit from below, as was its contrail. Within minutes, unfortunately, the impromptu sky show ended. The plane moved out of sight. The Moon kept rising but became harder to see through a brightening sky. And the contrail gradually dispersed.

Image credit: Juned Patel

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