About Louis Niesten
Lived 1844 – 1920 (aged 75–76). Louis Niesten was a Belgian astronomer.
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.
A crater on Mars was named in his honor.
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Important facts
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Frequently asked questions
Who was Louis Niesten?
astronomer
When was Louis Niesten born?
Louis Niesten was born in 1844.
When did Louis Niesten die?
Louis Niesten died in 1920.
What was Louis Niesten's occupation?
Louis Niesten was an astronomer.
What nationality was Louis Niesten?
Louis Niesten was Belgian.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Louis Niesten. https://biography.guide/louis-niesten/
MLA: "Louis Niesten." Biography.guide, https://biography.guide/louis-niesten/.
Chicago: "Louis Niesten." Biography.guide. https://biography.guide/louis-niesten/.
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