L'Aigle is a
L6 meteorite
A meteorite is a rock (geology), rock that originated in outer space and has fallen to the surface of a planet or Natural satellite, moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical ...
that fell on 26 April 1803 in
Lower Normandy,
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
.
History
In the early afternoon of 26 April 1803, a
meteorite
A meteorite is a rock (geology), rock that originated in outer space and has fallen to the surface of a planet or Natural satellite, moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical ...
shower of more than 3000 fragments fell upon the town of
L'Aigle
L'Aigle is a commune in the Orne department in Normandy in northwestern France. Before 1961, the commune was known as ''Laigle''. According to Orderic Vitalis, the nest of an eagle (''aigle'' in French) was discovered during the construction ...
in
Normandy
Normandy (; or ) is a geographical and cultural region in northwestern Europe, roughly coextensive with the historical Duchy of Normandy.
Normandy comprises Normandy (administrative region), mainland Normandy (a part of France) and insular N ...
,
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
. Upon hearing of this event, the
French Academy of Sciences
The French Academy of Sciences (, ) is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French Scientific method, scientific research. It was at the forefron ...
sent the young scientist
Jean-Baptiste Biot
Jean-Baptiste Biot (; ; 21 April 1774 – 3 February 1862) was a French people, French physicist, astronomer, and mathematician who co-discovered the Biot–Savart law of magnetostatics with Félix Savart, established the reality of meteorites, ma ...
to investigate. After painstaking work in the field, he reported two kinds of evidence pointing to an extraterrestrial origin for the stones:
# ''Physical evidence'': the sudden appearance of many identical stones similar to other stones fallen from the sky in other places
# ''Moral evidence'': many witnesses who observed a "''rain of stones thrown by the meteor''"
Biot's passionate paper describing how these stones must undoubtedly be of extraterrestrial origin effectively gave birth to the science of
meteoritics.
The L'Aigle event was a milestone in the understanding of
meteorite
A meteorite is a rock (geology), rock that originated in outer space and has fallen to the surface of a planet or Natural satellite, moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical ...
s and their origins because at that time the mere existence of meteorites was harshly debated. If they were recognised, their origin was controversial, with most commentators agreeing with
Aristotle
Aristotle (; 384–322 BC) was an Ancient Greek philosophy, Ancient Greek philosopher and polymath. His writings cover a broad range of subjects spanning the natural sciences, philosophy, linguistics, economics, politics, psychology, a ...
that they were terrestrial, and witness reports of meteorite falls were treated with great skepticism.
The meteorite has since been stored along with
Angers
Angers (, , ;) is a city in western France, about southwest of Paris. It is the Prefectures of France, prefecture of the Maine-et-Loire department and was the capital of the province of Duchy of Anjou, Anjou until the French Revolution. The i ...
, another meteorite that struck France 19 years later, in a room at the
Muséum d'histoire naturelle d'Angers, a French natural history museum.
Composition and classification
It is a L6 type
ordinary chondrite
The ordinary chondrites (sometimes called the O chondrites) are a class of stony chondritic meteorites. They are by far the most numerous group, comprising 87% of all finds. Hence, they have been dubbed "ordinary". The ordinary chondrites are t ...
.
See also
*
Glossary of meteoritics
This is a glossary of terms used in meteoritics, the science of meteorites.
#
* 2 Pallas – an asteroid from the asteroid belt and one of the likely parent bodies of the CR meteorites.
* 4 Vesta – second-largest asteroid in the asteroid bel ...
*
Meteorite
A meteorite is a rock (geology), rock that originated in outer space and has fallen to the surface of a planet or Natural satellite, moon. When the original object enters the atmosphere, various factors such as friction, pressure, and chemical ...
References
External links
Meteoritical Bulletin Database: L'Aigle
{{Meteorites by name
Meteorites found in France
History of Normandy
1803 in France
1803 in science
Orne