Paul Henry and Prosper Henry
| 125 Liberatrix
125 Liberatrix is a main-belt asteroid. It has a relatively reflective surface and an M-type spectrum. Liberatrix is a member of an asteroid family bearing its own name.-Discovery and name:...
|11 September 1872||Prosper Henry|
| 126 Velleda
126 Velleda is a main-belt asteroid. It is probably a rather typical, albeit sizable, S-type asteroid. Named for Veleda, a priestess and prophet of the Germanic tribe of the Bructeri. It was discovered by Paul Henry on November 5, 1872, in Paris, France. It was his first credited discovery...
|5 November 1872||Paul Henry|
| 127 Johanna
127 Johanna is a large main-belt asteroid. It has a very dark surface and is probably a primitive composition of carbonates. It was discovered by P. M. Henry on November 5, 1872, and is believed to be named after Joan of Arc.-References:...
|5 November 1872||Prosper Henry|
| 141 Lumen
141 Lumen is a dark , large rocky asteroid 130 km in diameter orbiting in the main belt near the Eunomia family of asteroids. It is not, however, physically related to the group, being of the wrong spectral class...
|13 January 1875||Paul Henry|
| 148 Gallia
148 Gallia is a large main-belt asteroid. It is classified as one of the few R-type asteroids.Gallia was discovered by the brothers Paul Henry and Prosper Henry on August 7, 1875, but the credit for this discovery was given to Prosper. It is named after the Latin name for Gaul .- References :...
|7 August 1875||Prosper Henry|
| 152 Atala
152 Atala is a very large, dark main belt asteroid. It is a type D asteroid, meaning that it is composed of carbon, organic rich silicates and possibly water ice...
|2 November 1875||Paul Henry|
| 154 Bertha
154 Bertha is a very dark and very large outer main-belt asteroid.It was discovered by brothers Paul Henry and Prosper Henry on November 4, 1875, but the credit from the discovery was given to Prosper. It is probably named after Berthe Martin-Flammarion, sister of the astronomer Camille Flammarion....
|4 November 1875||Prosper Henry|
| 159 Aemilia
159 Aemilia is a large main-belt asteroid. This slowly rotating, dark asteroid has a primitive carbonaceous composition.It orbits within the Hygiea family, although it may be an unrelated interloping asteroid, as it is too big to have arisen from the cratering process that most probably produced...
|26 January 1876||Paul Henry|
| 162 Laurentia
162 Laurentia is a large and dark main-belt asteroid.It was discovered by brothers Paul Henry and Prosper Henry on April 21, 1876, and named after A. Laurent, an amateur astronomer who discovered asteroid 51 Nemausa....
|21 April 1876||Prosper Henry|
| 164 Eva
164 Eva is a large and very dark main-belt asteroid. It is probably composed of primitive carbonaceous chondritic materials.It has a somewhat irregular orbit.It was discovered by the brothers Paul Henry and Prosper Henry on July 12, 1876....
|12 July 1876||Paul Henry|
| 169 Zelia
169 Zelia is a bright, stony main belt asteroid.Zelia was discovered by the brothers Paul Henry and Prosper Henry on September 28, 1876. Credit for this discovery was given to Prosper. It is named after a niece of the astronomer Camille Flammarion....
|28 September 1876||Prosper Henry|
| 177 Irma
177 Irma is a fairly large and dark Main belt asteroid.It was discovered by brothers Paul Henry and Prosper Henry on November 5, 1877. Paul was credited for this discovery....
|5 November 1877||Paul Henry|
| 186 Celuta
186 Celuta is a fairly large Main belt asteroid. It is an S-type asteroid.It was discovered by the brothers Paul Henry and Prosper Henry on April 6, 1878. This was the last discovery credited to Prosper. The meaning of the name is unknown....
|6 April 1878||Prosper Henry|
| 227 Philosophia
227 Philosophia is a large main-belt asteroid.It was discovered by P.P. Henry on August 12, 1882, in Paris and named after philosophy.- References :*[ftp://ftp.lowell.edu/pub/elgb/astorb.html The Asteroid Orbital Elements Database]*...
|12 August 1882||Paul Henry|
Paul-Pierre Henry (Paul Henry) (21 August 1848 – 4 January 1905) and his brother Mathieu-Prosper Henry (Prosper Henry) (10 December 1849 – 25 July 1903) were French
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
opticians and astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...
They made refracting telescope
A telescope is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation . The first known practical telescopes were invented in the Netherlands at the beginning of the 1600s , using glass lenses...
s and instruments for observatories, and were involved in the origin of the Carte du Ciel
Carte du Ciel
The Carte du Ciel and the Astrographic Catalogue were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue and map the positions of millions of stars as faint as 11th or 12th magnitude...
Between the two of them, they discovered a total of 14 asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...
s. The Minor Planet Center
Minor Planet Center
The Minor Planet Center operates at the Smithsonian Astrophysical Observatory , which is part of the Center for Astrophysics along with the Harvard College Observatory ....
credits their discoveries under "P.P. Henry" and "P.M. Henry", respectively. The lunar
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...
Henry Frères (crater)
Henry Frères is a lunar crater that is located in the southwestern part of the Moon's near side. It lies just to the west-northwest of the crater Henry, a similar diameter feature. To the west-southwest of Henry Frères is the much larger crater Byrgius...
is named after them jointly, as is Henry Crater on Mars
Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the "Red Planet", as the iron oxide prevalent on its surface gives it a reddish appearance...