| 词条 | Johannes Fabricius |
| 释义 |
BiographyJohannes was born in Resterhafe (East Friesland). He studied at the University of Helmstedt, Wittenberg University and graduated from Leiden University in 1611.[4] 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 February 27, 1611; in Wittenberg in that year he published the results of his observations in his 22-page pamphlet De Maculis in Sole observatis.....[5] It was the first publication on the topic of sunspots.[6] 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.[7] Copies of a map he made of Frisia in 1589 are also still extant. He is also mentioned in Jules Verne's From the Earth to the Moon as someone who claimed to have seen lunar inhabitants through his telescope, though that particular fact is merely part of Verne's fiction. The large ({{convert|90|km|mi|disp=or|adj=on}}) Fabricius crater, on the Moon's southern hemisphere, is named after his father, David Fabricius. He died in Marienhafe, at the age of 29. LegacyIn 1895, a monument was erected to his memory in the churchyard at Osteel, where his father had been pastor from 1603 until 1616. Work
Notes1. ^{{Cite web|title=Johann Fabricius (1587-1616) |work=hao.ucar.edu |publisher=High Altitude Observatory |accessdate=2014-08-25 |url=http://www.hao.ucar.edu/education/bios/fabricius.php |deadurl=yes |archiveurl=https://web.archive.org/web/20140818180916/http://www.hao.ucar.edu/education/bios/fabricius.php |archivedate=2014-08-18 |df= }} 2. ^Biographical Encyclopedia of Astronomers, Springer, 2007, p. 353. 3. ^Based on text in main reference. 4. ^{{cite book |title=The Biographical Encyclopedia of Astronomers |last=Hockey |first=Thomas |year=2009 |publisher=Springer Publishing |isbn=978-0-387-31022-0 |accessdate=August 22, 2012 |url=http://www.springerreference.com/docs/html/chapterdbid/58437.html}} 5. ^{{cite web|last=Christie|first=Thony|title=Spotting the spots.|url=http://thonyc.wordpress.com/2011/01/08/spotting-the-spots/|accessdate=17 January 2011}} 6. ^{{NDB|4|732||Fabricius, Johannes|Willy Jahn}} 7. ^Wilfried Schroeder has published the paper by Fabricius on the discovery of sunspots in 1611 in: Wilfried Schroeder, The Discovery of Sunspots, Bremen 2009. References
External links
7 : 1587 births|1615 deaths|East Frisians|Frisian scientists|German astronomers|Leiden University alumni|People from Aurich (district) |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。