Information resources:

• Astronomy and space
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• Physics (including space physics)

• Relativistic physics
  • beginning of A brief discussion of general relativity

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Miscellaneous:

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  • A photo album of churches

• What's new
  • What's new in 2018 Part 2
• Topical index
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1,470,308 hits in September 2018!
over 90,629,000 hits to date!

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

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Last modified 7 October 2018.
Copyright © 2001-2017, 2018 by Wm. Robert Johnston. All rights reserved.