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The Autumnal Equinox … FROM SPACE!

A few days ago—Sunday at 20:44 UTC (4:44 p.m. EDT), to be exact—was the moment of the autumnal equinox. There are a number of ways to explain this, though the definition is that it’s the moment the center of the Sun’s disk has a declination of zero degrees when it’s...
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    Here is a great picture of me and Orlando Bloom, Aidan Turner, and Dean O'Gorman together. Aren't we so cute?

  • geoff vadar

    Earth - the Indian Ocean as seen from space "He buildeth His spheres in the heaven, and hath laid the foundation of His globe of elements in the earth... the Lord is His Name." - Amos 9: 6 (Geneva Bible of 1560 AD)

  • Ray Hayden

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    NASA's Astronomy Picture Of The Day: Equinox Earth

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    The Best Astronomy and Space Pictures of 2013 by Phil Plait:Earth at the Equinox (Click thru for this: Journalist and space enthusiast Vitaliy Egorov's series of images taken from Sep. 20–21 to create the animation above, showing the Earth in motion. The satellite orbits once every 24 hours, so the face of the Earth seems to stay still as the day/night line (called the terminator) sweeps across it—you can also see sunglint, the reflection of the Sun off of water, moving across the ocean.)

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