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Astronomer's talk to offer 'distance scale' for universe

We all know the universe is big - very big.

December 13, 2012 12:00 am Comments

Noted UA astronomer Impey to repeat 'Big Bang' address

Acclaimed Steward Observatory astronomer Chris Impey will repeat his popular talk, "The Big Bang," describing the origin of the universe and the astronomical evidence underlying current theories of its birth, Wednesday afternoon at Academy Village on Tucson's east side.

May 12, 2011 12:00 am Comments