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Horizon Over the North Atlantic

Horizon (night lights of the cities of Ireland, in the foreground, and the United Kingdom, in the back and to the right, are contrasted by the bright sunrise in the background. The greens and purples of the Aurora Borealis are seen along the rest of the horizon.) | Image Credit: NASA

I wish I could see these in person.. Why must astronomy take 6+ years of schooling?! (The best astronomy photographs of the past four years)

On August 31, 2012 a long filament of solar material that had been hovering in the sun’s atmosphere, the corona, erupted out into space at 4:36 p.m. EDT. The coronal mass ejection, or CME, traveled at over 900 miles per second. The CME did not travel directly toward Earth, but did connect with Earth’s magnetic environment, or magnetosphere, causing aurora to appear on the night of Monday, September 3. (source: NASA)

Bt imagesfrom Bt images

9 Incredible Photos of our Universe

astronomy, outer space, space, universe, scenery, landscapes, stars, nebulas, galaxies, planets, moons, skies, clouds, mountains

Arc of Light - Astrophotographer Mike Killian took this photo from Cape Canaveral Air Force Station in Florida Aug. 24, 2012, as the Atlas 5 rocket shot off to explore Earth's Van Allen radiation belts.