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Paul-Pierre Henry (Paul Henry) (21 August 1848 – 4 January 1905) and his brother Prosper-Mathieu Henry (Prosper Henry) (10 December 1849 – 25 July 1903) were
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Paul-Pierre Henry (Paul Henry) (21 August 1848 – 4 January 1905) and his brother Prosper-Mathieu Henry (Prosper Henry) (10 December 1849 – 25 July 1903) were French
French (french: français(e), link=no) may refer to:
* Something of, from, or related to France
** French language, which originated in France, and its various dialects and accents
** French people, a nation and ethnic group identified with Franc ...
opticians and astronomers.
They made refracting telescopes and instruments for observatories, and were involved in the origin of the '' Carte du Ciel'' project.
Between the two of them, they discovered a total of 14 asteroid
An asteroid is a minor planet of the inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic or icy bodies with no atmosphere.
...
s. The Minor Planet Center
The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU). Founded in 1947, it operates at the Smithsonian Astrophysical Observatory.
Function
...
credits their discoveries under "P. P. Henry" and "P. M. Henry", respectively. The lunar crater Henry Frères (Henry brothers) and the Martian crater '' Henry'' are named after them. They were jointly awarded the first Valz Prize
The Valz Prize ''(Prix Valz)'' was awarded by the French Academy of Sciences, from 1877 through 1970, to honor advances in astronomy.
History
The Valz Prize was established in June 1874 when the widow of astronomer Benjamin Valz, Marie Madeleine J ...
in 1877 for their sky charts designed to facilitate the search for minor planets.
List of discovered minor planets
Obituaries
Paul Henry
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Prosper Henry
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References
Optical engineers 19th-century French astronomers Discoverers of asteroids Sibling duos Recipients of the Lalande Prize French scientific instrument makers {{France-astronomer-stub