petits corps du système solaire - astrosurf.com · (136199) eris = 2003 ub313 et disnomia (90377)...
TRANSCRIPT
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Petits Corps du Système Solairecomètes, météorites, astéroïdes
Nuit des étoiles [email protected]
Société Astronomique de France
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quand le ciel semblenous tomber sur la tête
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Hale-Bopp, la comète de 1997
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Mc Naugth, la grande comète de 2007
Chili
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Australie
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Comet 153P/Ikeya-Zhang
le soleil attire et.. repousse
Gravité et.. Vent solaire
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Orbite de la comète de Halley
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coma = chevelure
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Noyau de la comète de Halley
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4 juillet 2005
comète Tempel 1
Deep impact
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Deep impact sur la comète Tempel 1
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Shoemaker-Levy 9 en 1994
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Comète ISON nov2013
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ce que Halley laisse derrièe elle
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perséïdes
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bolide or fireball (Oklahoma, 2008)
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Météore et météorite d’Ensisheim (1492)
55 kg
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météore de Chelyabinsk (2013)
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météorites de Chelyabinsk
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astéroïdes “géocroiseurs”
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astéroïde 2012 DA14
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Potentially Hazardous Asteroids (APOD 2013)
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astéroïde (25143) Itokawa
Hayabusa (2005)
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astéroïde (433) Eros
altitude 250m
Near Earth Asteroid Rendez-vous (2001)
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astéroïdes (243) Ida et Dactyl
Galileo (1993)
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astéroïde (21) Lutetia
Dimensions (132 × 101 × 76) km
Dimension 32 m
Rosetta (2010)
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tailles comparées
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taille de 2012 DA14
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impacts
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astéroïde (4) Vesta
Dimensions (572.6 × 557.2 × 446.4) ± 0.2 km
Dawn (2011)
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avril 2014
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Système Solaire
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tailles/masses
Le message des météorites, Tristan FERROIR, ENS Lyon, 2006
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comète ou asteroïde P/2013 P5
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ceinture principale et autres groupes d’astéroïdes
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67P/Churyumov–Gerasimenko
Dimension 32 m
x 125
Dimension moyenne 4 km
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ceinture de Kuiper
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(136199) Eris = 2003 UB313 et Disnomia
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(90377) Sedna = 2003 VB12
The coldest most distant place known in the solar system
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Kuiper et Oort
X 1000
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Formation du système solaire
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Le message des météorites, Tristan FERROIR, ENS Lyon, 2006
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Le message des météorites, Tristan FERROIR, ENS Lyon, 2006
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Mission Rosetta – août 2014
Webographie– Astronomical Picture Of the Day, NASA
http://apod.nasa.gov/apod/archivepix.html
– Wikipedia http://fr.wikipedia.org/wiki/Système_solaire
– The Comet’s Tale http://cse.ssl.berkeley.edu/SegwayEd/lessons/cometstale/com.html
– Rosetta http://www.esa.int/Our_Activities/Space_Science/Rosetta
– IAU Minor Planet Center http://www.minorplanetcenter.net