Observation history

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Observation history

Post by Guest on Sat Nov 27, 2010 4:18 am

Observation history

The realization that we live in a galaxy, and that there were, in fact, many other galaxies, parallels discoveries that were made about the Milky Way and other nebulae in the night sky.
[edit]The Milky Way


Galactic Center of Milky Way and a meteor
The Greek philosopher Democritus (450–370 B.C.) proposed that the bright band on the night sky known as the Milky Way might consist of distant stars.[16] Aristotle (384–322 B.C.), however, believed the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region of the world which is continuous with the heavenly motions."[17] The Neoplatonist philosopher Olympiodorus the Younger (c. 495–570 A.D.) criticized

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