http://astroguyz.com A Gathering of All Things Astronomical Mon, 06 Sep 2010 00:01:41 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 http://astroguyz.com/2007/07/02/measuring-the-circumference-of-the-earth-the-eratosthenes-method/ http://astroguyz.com/2007/07/02/measuring-the-circumference-of-the-earth-the-eratosthenes-method/#comments Mon, 02 Jul 2007 21:44:57 +0000 David Dickinson http://astroguyz.com/?p=19 http://astroguyz.com/2007/07/02/measuring-the-circumference-of-the-earth-the-eratosthenes-method/feed/ 0