Cleostratus was a truly pioneering Greek astronomer who lived on the small Aegean island of Tenedos in the 6th century BC.
Traci Manning makes her living sharing true stories from the past as director of education with the Mahoning Valley ...
On Nov. 20, 1889, Edwin Hubble was born in Marshfield, Missouri. His 1923 observations of the Andromeda Galaxy and a Cepheid variable within it would vastly expand our understanding of other galaxies ...
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