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Check out NASA - Hubble Breaks Record in Search for Farthest Supernova

From: Tim C.
Sent on: Friday, April 5, 2013 11:11 AM
10 billion light years--looking at a star the blew its top appr. 10 billion years ago!
And when the scope went up, it didn't work!  The mirror had been ground incorrectly.  Required a mission by the Orbiter Discovery and an array of optics corrections that fixed it! 
btw, spinoffs from this correction mission include improvements in semi-conductor technology and micro-endoscopes that refine medical diagnosis.
Tim Campbell

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