Geometric evidence of an old galaxy

From: Dr. David Campbell <>
Date: Fri Dec 09 2005 - 13:10:48 EST

>New Science "Sciencexpress" articles have been made available (for
the period 1 Dec 2005 to 8 Dec 2005):

The Distance to the Perseus Spiral Arm in the Milky Way
     Y. Xu, M. J. Reid, X. W. Zheng, and K. M. Menten
     p. 11209141<

They were able to use triangulation to measure the distance-just over
6000 light years. As a relatively close part of our own galaxy, this
distance indicates that the light from other galaxies would require
well over 10,000 years to reach us, unless basic geometry doesn't

Dr. David Campbell
425 Scientific Collections Building
Department of Biological Sciences
Biodiversity and Systematics
University of Alabama, Box 870345
Tuscaloosa AL 35487-0345  USA
Received on Fri Dec 9 13:12:21 2005

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