The Sky in Motion

Explanation: 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
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