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Latest De revolutionibus orbium coelestium Stories

Happy Birthday Copernicus! Honoring Astronomy’s Great Iconoclast
2013-02-19 09:03:49

On this day 540 years ago, the revolutionary mathematician and astronomer Nicolaus Copernicus was born in Toruń, Poland. His last work and his explanation of Heliocentrism challenged the way we thought about our Solar System and the Earth’s place in it.

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2010-05-23 05:50:00

The remains of Nicolaus Copernicus, the 16th century father of modern astronomy, were finally laid to rest in a marked grave, the day after the 467th anniversary of his death, in a Polish cathedral Saturday.

2005-11-05 09:10:00

Polish archaeologists are all but certain they have located the skeletal remains of Nicholas Copernicus, the 16th-century cleric whose heliocentric theory was to revolutionize astronomy.


Latest De revolutionibus orbium coelestium Reference Libraries

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2004-10-19 04:45:41

Geocentric Model -- The geocentric model of the cosmos is a paradigm which places the Earth at the center of the universe. Common in ancient Greece, it was believed by both Aristotle and Ptolemy. Most Greeks assumed that the Sun, Moon, stars, and planets orbit Earth. Similar ideas were held in ancient China. The geocentric model was gradually replaced by the heliocentric model of Copernicus and Galileo due to the simplicity and predictive accuracy of that newer model. In this model, a...

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Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.