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Post Info TOPIC: David Fabricius (1564 - 1617)
Blobrana


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RE: David Fabricius (1564 - 1617)
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Fabricius discovered the first known periodic variable star (as opposed to cataclysmic variables, such as novas and supernovas), Mira, in August 1596. Two years later, his son Johannes Fabricius (1587-1615) returned from university in the Netherlands with telescopes that they turned on the Sun. Despite the difficulties of observing the sun directly, they noted the existence of sunspots, the first confirmed instance of their observation 
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Blobrana


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Evidence that the variability of Mira was known in ancient China, Babylon or Greece is at best only circumstantial. What is certain is that the variability of Mira was recorded by the astronomer David Fabricius beginning on August 3, 1596.
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David Fabricius (March 9, 1564 - May 7, 1617), was a German theologian who made two major discoveries in the early days of telescopic astronomy, jointly with his eldest son, Johannes Fabricius (1587-1615).
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David Fabricius discovered light variation of Mira, the first star to be identified as a variable star on 3rd August, 1596.



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