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{{Short description|Belgian astronomer}} |
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{{Use dmy dates|date=April 2020}} |
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'''Louis Niesten''' ( |
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| ⚫ | [[File:Louis Niesten.jpg|thumb|Louis Niesten portrayed in 1883]] |
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| ⚫ | '''Louis Niesten''' (1844–1920) was a [[Belgium|Belgian]] [[astronomer]] working at the [[Brussels Royal Observatory]]. In 1877 he observed [[Mars]] and created a detailed map of its surface features. |
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| ⚫ | He organized an expedition to [[Santiago de Chile]] to observe the [[Venus]] [[astronomical transit|transit]] the [[Sun]] in 1882. A second Belgian expedition (led by [[Jean-Charles Houzeau]]) travelled to [[San Antonio, Texas]] to determine the planet's [[parallax]] during the same transit. Both parties used a specially designed [[heliometer]] for this purpose. |
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In 1877 he observed [[Mars (planet)|Mars]] and created a detailed map of its surface features. |
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He organized an expedition to [[Santiago de Chile]] to observe the [[ |
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A [[Impact crater|crater]] on Mars was named in his honor. |
A [[Impact crater|crater]] on Mars was named in his honor. |
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==External links== |
==External links== |
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*[https://web.archive.org/web/20040614234830/http://vt-2004.org/Background/Infol2/EIS-F7_pf.html Description of the 1882 transit of Venus expeditions] |
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*[http://www.scienceandsociety.co.uk/results.asp?image=10306141&wwwflag=2&imagepos=7 Mars globe |
*[http://www.scienceandsociety.co.uk/results.asp?image=10306141&wwwflag=2&imagepos=7 Mars globe presented by Louis Niesten to the Royal Astronomical Society] |
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{{Authority control}} |
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{{DEFAULTSORT:Niesten, Louis}} |
{{DEFAULTSORT:Niesten, Louis}} |
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[[Category:1844 births]] |
[[Category:1844 births]] |
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[[Category:1920 deaths]] |
[[Category:1920 deaths]] |
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[[Category:Belgian |
[[Category:19th-century Belgian astronomers]] |
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[[Category:Belgian scientists]] |
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[[Category:Belgian astronomers]] |
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{{Euro-astronomer-stub}} |
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[[ja:ルイ・ニーステン]] |
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Louis Niesten (1844–1920) was a Belgian astronomer working at the Brussels Royal Observatory. In 1877 he observed Mars and created a detailed map of its surface features.
He organized an expedition to Santiago de Chile to observe the Venus transit the Sun in 1882. A second Belgian expedition (led by Jean-Charles Houzeau) travelled to San Antonio, Texas to determine the planet's parallax during the same transit. Both parties used a specially designed heliometer for this purpose.
Acrater on Mars was named in his honor.
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