Geometric evidence of an old galaxy

>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
     http://www.sciencemag.org/cgi/content/abstract/1120914v1?etoc
     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
hold.

-- 
Dr. David Campbell
425 Scientific Collections Building
Department of Biological Sciences
Biodiversity and Systematics
University of Alabama, Box 870345
Tuscaloosa AL 35487-0345  USA