February 16, 2006
Like Sand Through a Really Big Hourglass

So go the Days of Our Galaxies:

NASA's Spitzer Space Telescope has observed a rare population of colliding galaxies whose entangled hearts are wrapped in tiny crystals resembling crushed glass.

The crystals are essentially sand, or silicate, grains that were formed like glass, probably in the stellar equivalent of furnaces. This is the first time silicate crystals have been detected in a galaxy outside of our own.

The mind boggles...

Posted by scott at February 16, 2006 03:07 PM

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