http://www.oneminuteastronomer.com/2008/04/11/yerkes-observatory/ Basic Astronomy and Night Sky Sights For Busy People Tue, 31 Aug 2010 00:48:10 +0000 hourly 1 http://wordpress.org/?v=3.0 http://www.oneminuteastronomer.com/2008/04/11/yerkes-observatory/comment-page-1/#comment-320 Reflecting Telescopes | One-Minute Astronomer Mon, 05 Jul 2010 21:52:58 +0000 http://www.oneminuteastronomer.com/wp/?p=53#comment-320 [...] The biggest astronomical lens (at Yerkes Observatory) is only 1 meter across. A bigger lens would sag under its own weight. But a mirror can be fully [...] [...] The biggest astronomical lens (at Yerkes Observatory) is only 1 meter across. A bigger lens would sag under its own weight. But a mirror can be fully [...]

]]> http://www.oneminuteastronomer.com/2008/04/11/yerkes-observatory/comment-page-1/#comment-321 Reflecting Telescopes | One-Minute Astronomer Mon, 05 Jul 2010 21:52:58 +0000 http://www.oneminuteastronomer.com/wp/?p=53#comment-321 [...] The biggest astronomical lens (at Yerkes Observatory) is only 1 meter across. A bigger lens would sag under its own weight. But a mirror can be fully [...] [...] The biggest astronomical lens (at Yerkes Observatory) is only 1 meter across. A bigger lens would sag under its own weight. But a mirror can be fully [...]

]]> http://www.oneminuteastronomer.com/2008/04/11/yerkes-observatory/comment-page-1/#comment-316 E. E. (Edward Emerson) Barnard | One-Minute Astronomer Mon, 05 Jul 2010 15:41:24 +0000 http://www.oneminuteastronomer.com/wp/?p=53#comment-316 [...] After seven years at Lick, Barnard moved to the newly built Yerkes Observatory in Wisconsin and remained there until he died in [...] [...] After seven years at Lick, Barnard moved to the newly built Yerkes Observatory in Wisconsin and remained there until he died in [...]

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