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单词 Fabricius, Johann(es) (1587–1615)
释义
Fabricius, Johann(es) (1587–1615)

Astronomy
  • son of D. Fabricius. With his father, he used the method of projection to study the Sun telescopically. He studied sunspots, of which he was one of a number of independent discoverers along with C. Scheiner, Galileo, and the Englishman Thomas Harriot (1560–1621). By observing the change in position of sunspots, Fabricius found that the Sun rotates.


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