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The Mountain of Blue Fire

Nature has a way of continually surprising us and inspiring awe within us, and it seems there are just as many fantastical wonders t...


Near-Earth Asteroid Flyby to Occur Jan. 29

Asteroid 2007-TU24
An asteroid will fly past our own planet on January 29, 2008. At closest approach, 2007 TU24 will be 1.4 lunar distances from Earth. There's no danger of a collision, but the 400m-wide space rock will be close enough to photograph through backyard telescopes as it speeds through the constellation Cassiopeia glowing like a 10th magnitude star.

Orbit Diagram

CHRISTMAS PROMS: "The promenences on the sun's limb today have a real Christmas feel to them!" reports Greg Piepol of Rockville, Maryland. Here is the view taken by Greg

Solar prominences are clouds of hydrogen twisted and held aloft by solar magnetic fields. They're common enough, but how often do they twist into the shape of reindeer? It must be Christmas...
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