Observatories & Telescopes: Historical
The "Historical" topic covers important historical events in astronomy, including ancient "observatories."
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Featured Article
Solar Corona: First Observations
Introduction It’s amazing to think that in the thousands of years that humans have admired total solar eclipses, virtually no ancient sketches or descriptions of the details of such an event have...
Featured Resource
NASA 50th Magazine
The National Aeronautics and Space Administration celebrated its 50th anniversary in 2008. Click the image below to access a wealth of information, image galleries and other content relating to NASA's first 50 years. Open-Letter from NASA...


