Dean W. Armstrong
Scientific and other projects in astronomy, geoscience, physics, and electronics.
Showing posts with label
history of astronomy
.
Show all posts
Showing posts with label
history of astronomy
.
Show all posts
Thursday, April 09, 2009
400 Years of the Telescope: Friday on PBS
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This such an auspicious year. I watched an interview on Chicago Tonight with one of the creators of "400 Years of the Telescope"...
Sunday, September 02, 2007
The sunspot belts of Sir John Herschel
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"On the conservation of solar energy : a collection of papers and discussions" by C. William Siemens. 1883, p.5. Questions conce...
Monday, January 09, 2006
Concerning two Nebulae in the Pleiades (Barnard's and the Merope)
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After seeing today's APOD , I've decided to force myself to finish this long-overdue post. (Here's a photo of the Pleiades take...
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