L'Aigle (meteorite)

L'Aigle (meteorite)

Meteorite
Name= L'Aigle


Image_caption=
Image_width=
Type= Chondrite
Class= Ordinary chondrite
Group= L6
Structural_classification=
Composition=
Shock=
Weathering=
Country= France
Region= Basse-Normandie
Lat_Long= coord|48|46|N|0|38|E|display=inline,title [ [http://tin.er.usgs.gov/meteor/metbull.php?sea=L%27Aigle&sfor=names&ants=&falls=&stype=contains&lrec=50&
] ]
Observed_fall= Yes
Fall_date= 26 April 1803
Found_date=
TKW= 37 kg


Image2_caption=

L'Aigle is a L6 meteorite fallen in 1803 in Basse-Normandie, France.

History

In the early afternoon of 26 April 1803 a meteorite shower of more than 3000 fragments fell upon the town of L'Aigle in Normandy (France). Upon hearing of this event the French Academy of Sciences sent the young scientist Jean-Baptiste Biot, to investigate on that spectacular fall of stones. After an accurate work he reported two kinds of evidence of an extraterrestrial origin of the stones [ [http://www.lpi.usra.edu/meetings/metsoc2003/pdf/5251.pdf M. Gounelle. "The meteorite fall at L'Aigle on April 26th 1803 and the Biot report.] ] :
# "Physical evidence": the sudden appearance of many identical stones similar to other stones fallen from the sky in other places
# "Moral evidence": a large number of witnesses who saw a "rain of stones thrown by the meteor"Upon hearing the Biot report about this meteorite fall, the French Academy of Sciences sent Jean-Baptise Biot to investigate. His passionate paper describing how these stones must undoubtedly be of extraterrestrial origin effectively gave birth to the science of meteoritics.L'Aigle event was a real milestone in the understanding of meteorites and their origins because at that time the mere existence of meteorites was harshly debated and witnessed meteorite falls were treated with great skepticism.

Composition and classification

It is a L6 type ordinary chondrite.

Notes

See also

* Meteorite

External links

* [http://tin.er.usgs.gov/meteor/metbull.php?sea=L%27Aigle&sfor=names&ants=&falls=&stype=contains&lrec=50&
]
* [http://www7.pair.com/arthur/meteor/archive/archive4/April98/msg00057.html L'Aigle meteorite sample of Jean-Baptiste Biot auctioned in London in 1998]


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