Light and Telescopes: Revision history

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30 January 2013

8 October 2011

12 September 2011

  • curprev 05:5705:57, 12 September 2011WikiSysop talk contribs 18,534 bytes +18,534 Created page with " == Introduction == Until photography was developed at the beginning of this century, the eye was an astronomer’s primary instrument. With it we discovered the Sun, the large..."