Our Night Sky
Sunday, October 6, 2013
Quarter One Astronomer Sources
Willebrord Snellius
Links:
Source One:
http://en.wikipedia.org/wiki/Willebrord_Snellius
Source Two:
http://www-history.mcs.st-andrews.ac.uk/Biographies/Snell.html
Source Three:
http://www.thefamouspeople.com/profiles/willebrord-snell-528.php
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