Observatories & Telescopes: Historical
The "Historical" topic covers important historical events in astronomy, including ancient "observatories."
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Featured Article
Ancient Observatories
Introduction There is an astronomical context for understanding mysterious structures like Stonehenge. Keeping a calendar was a vital job for any ancient culture. We can imagine that an enormous...
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...
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Articles
Introduction Imagine that it is 40,000 years ago and that you are a nomadic hunter-gatherer. Much of your life...
Introduction How could you use the sky to find your way? The first orienteering skills were discovered over 10...
Introduction Babylonian clay tablets record the earliest total solar eclipse seen in Ugarit on May 3, 1375 BC....
Introduction Claudius Ptolemy, who lived in the second century AD., wrote the extremely influential treatise t...
Introduction Apart from the many discussions of solar corpuscular radiation in the 1800s to account f...
Introduction Mysterious rings of upright stones dot the hills and dales of England. The most famous is a monum...
Introduction Re-Horakhty (Re of the Horizon) meets with Osiris. The sun, our nearest star, has been observe...
Resources
The Galileo Project is a source of information on the life and work of Galileo Galilei (1564-1642). Our aim is...
The history of cosmology is a grand story of discovery, from ancient Greek astronomy to space telescopes. ...
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