The Andromeda Galaxy is the nearest spiral galaxy. It is one of only three or four galaxies that can be seen without telescopic aid, and for that reason it has been mentioned in texts and marked on maps for over a thousand years. Although it is not easy to see from our modern, well-lit environments, from a dark site it is a conspicuous and anomalous feature in the sky and was surely noticed by curious men and women far back into human prehistory.
KeywordsEarly History Proper Motion Spiral Galaxy Human Prehistory Andromeda Galaxy
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