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Hoshikaze 2250 - Consulter le sujet - planète extrasolaire de type terrestre
Consulter les messages sans réponse | Consulter les sujets actifs Nous sommes actuellement le Ven 15 Nov 2019 18:26



Répondre au sujet  [ 6 message(s) ] 
 planète extrasolaire de type terrestre 
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entendu aux infos ce matin, il y en aurait eu une de detectée, mais je n'ai pu entendre autour de quelle étoile c'était :/


Mer 25 Avr 2007 06:44
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voila, il s'agit de Gliese 581 (), à 20 années lumières de la terre...

http://www.cieletespace.fr/Actualites/5 ... oleil.aspx
http://info.rsr.ch/fr/rsr.html?siteSect ... 7482843000
http://www.flashespace.com/html/avril07/25_04.htm
http://www.nytimes.com/2007/04/25/scien ... ref=slogin
http://en.wikipedia.org/wiki/Gliese_581_c
http://www.sfgate.com/cgi-bin/article.c ... E14U26.DTL
http://www.space.com/scienceastronomy/0 ... lanet.html
http://www.princeton.edu/~willman/plane ... se581.html

... une planète habitable, avec potentiellement de la vie (a moins qu'elle ne soit "tide-locked", et encore), avec un rayon 1,5 fois plus grand, et une masse de 5 fois la terre, une gravité de 2,2 fois celle de la terre, une température entre -3° et 40°c... et autour d'une naine rouge, en faisant le tour... en treize jours;

pour le moment on a deviné 3 planète à ce système


Mer 25 Avr 2007 08:35
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Jeu 26 Avr 2007 21:29
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Sam 16 Juin 2007 14:37
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_________________
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Benoît 'Mutos' ROBIN

"Si ce message n'est pas édité au moins 3 fois, attendez un peu, il n'est pas fini !"


Sam 16 Juin 2007 15:30
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Sam 16 Juin 2007 16:14
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