Johann Fabricius's Human Design Chart
3/5 Emotional GeneratorFrisian-German astronomer, eldest son of David Fabricius (1564–1617), with whom he was co-discoverer of sunspots (in 1610), independently of Galileo Galilei.
He studied at the University of Helmstedt, Wittenberg University and graduated from Leiden University in 1611. He returned from university in the Netherlands with telescopes that he and his father 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 (though unclear statements in East Asian annals suggest that Chinese and Korean astronomers may have discovered them with the naked eye previously, and Fabricius may have noticed them himself without a telescope a few years before). Johannes first observed a sunspot on 27 February 1611.
The pair soon used camera obscura telescopy so as to save their eyes and get a better view of the solar disk, and observed that the spots moved. They would appear on the eastern edge of the disk, steadily move to the western edge, disappear, then reappear at the east again after the same amount of time that it had taken for it to cross the disk in the first place.
He died in Marienhafe on 19 March 1616, at the age of 29.
Link to Wikipedia biography
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