Information resources:

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  • beginning of A brief discussion of general relativity

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Miscellaneous:

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  • What's new in 2012 Part 1
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469,496 hits in March 2012!
over 31,832,000 hits to date!

Banner image: taken by Galileo in 1992 (credit: NASA/USGS).

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Last modified 21 April 2012.
Copyright © 2001-2011, 2012 by Wm. Robert Johnston. All rights reserved.