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Birthday · November 10, 2018

The Old Moon in the Young Moon's Arms

November 10, 2018

Galaxies were colliding long before you were born, and they will keep colliding long after us all.

The Old Moon in the Young Moon's Arms

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APOD published November 10, 2018. Credit: Stan Honda. A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

The Old Moon in the Young Moon's Arms

Original APOD · November 10, 2018

Tonight the Moon is young again, but this stunning image of a young Moon near the western horizon was taken just after sunset on October 10. On the lunar disk Earthshine, earthlight reflected from the Moon's night side, is embraced by the slim, sunlit crescent just over 2 days old. Along the horizon fading colors of twilight silhouette the radio telescope dish antennas of the Very Large Array, New Mexico, planet Earth. The view from the Moon would be stunning, too. When the Moon appears in Earth's sky as a slender crescent, a dazzlingly bright, nearly full Earth would be seen from the lunar surface. A description of earthshine, in terms of sunlight reflected by Earth's oceans in turn illuminating the Moon's dark surface, was written 500 years ago by Leonardo da Vinci.

Image credit: Stan Honda

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