• Astronomy and space
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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 2006 part 1
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Banner image: taken by Galileo in 1992 (credit: NASA/USGS).

Comments? Questions? Corrections? Contact wrjohnston@prodigy.net.

Copyright © 2001-2005, 2006 by Wm. Robert Johnston. All rights reserved.
Last modified 4 June 2006.
353,555 hits in April 2006!
over 6,496,000 hits to date!