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Birthday · December 9, 2004

Jupiter and the Moon's Shadowed Horizon

December 9, 2004

The same gravity that holds galaxies together and keeps planets in their orbits also held you to the Earth on the day you were born.

Jupiter and the Moon's Shadowed Horizon

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APOD published December 9, 2004. Credit: Jimmy Westlake (Colorado Mountain College). A publication-date match, not a photo taken on your date. Independent of NASA.

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Jupiter and the Moon's Shadowed Horizon

Original APOD · December 9, 2004

rly Tuesday morning, December 7th, June Croft thought the southeastern sky above Atmore, Alabama, USA was beautiful. Watching the Moon rise through gossamer clouds, she noted, " ... the crescent Moon looked like it was held in the sky by a star just off its shadowed horizon." What was that star? Bright Jupiter of course, and some watched as the Moon actually occulted or passed in front of the Solar System's reigning gas giant planet. For astronomer Jimmy Westlake in Colorado, Jupiter was already hidden at moonrise that morning, but later he was able to record this lovely image, not unlike the view that inspired Croft. Seen through gossamer clouds, Jupiter along with large Jovian satellites Ganymede and Callisto (bottom to top) has emerged from behind the crescent Moon's shadowed horizon. News: The answer to Lewin's Challenge APOD can be found here.

Image credit: Jimmy Westlake (Colorado Mountain College)

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