The Sky in Motion
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December 31, 2008
On your birthday, the Earth completed another orbit — 584 million miles traveled since your last celebration.
The Sky in Motion
Birthday · December 31, 2008
A little universe, just for you
Your date.
Ready to give.
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Change the year
APOD published December 31, 2008. Credit: Till Credner. A publication-date match, not a photo taken on your date. Independent of NASA.
Still need to come up with a good new year's resolution? Consider one appropriate for 2009, the International Year of Astronomy; just look up -- experience, learn, and enjoy the changing sky. This 4-minute, time-lapse video is composed from a series of 7,000 images highlighting much of what you could see. Arcing through the sky in a stately reflection of planet Earth's own rotation are Moon, Sun and stars. But the sequence also features satellites and meteors streaking overhead, clouds moving along the horizon changing in a beautiful iridescence, and beaming crepuscular rays. Note : APOD Editor to Speak in New York on Jan. 2
Image credit: Till Credner