Tuesday, March 07, 2006

Gigantic cosmic cataclysm in Stephan's Quintet



'Recent infrared observations made with NASA's Spitzer Space Telescope have revealed the presence of a huge intergalactic shock wave, or "sonic boom" in the middle of Stephan's Quintet, a group of galaxies which is now the scene of a gigantic cosmic cataclysm...' More

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