Bibliographie =
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Magazine ''Ciel et epaces'' n°495 , aôut 2011
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https://orbitmars.futura-sciences.com/vie.php#Combien%20de%20chance
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https://www.lefigaro.fr/sciences/2011/09/14/01008-20110914ARTFIG00796-la-nasa-devoile-son-projet-de-fusee-habitee-vers-mars.php
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Site de la nasa : https://www.nasa.gov/
Images =
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https://www.ama2009-physique.u-picardie.fr/Images/Mars_surface.jpg
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getty images
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https://upload.wikimedia.org/wikipedia/commons/6/6a/Alfred_Sauvy_(1983)_by_Erling_Mandelmann_-_2.jpg
Vidéos :
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https://www.youtube.com/watch?v=MIy6_MTVilc&feature=player_embedded
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https://www.youtube.com/watch?v=iY5TWVWeTrA&feature=player_embedded