8 juin 2015 - NASA's Journey to Mars: Pioneering Next Steps in Space Exploration (2015)
Description:
On October 8, 2015, NASA published its official plan for human exploration and colonization of Mars. The plan operates through three distinct phases leading up to fully sustained colonizationAjouté au bande de temps:
Date:
8 juin 2015
Maintenaint
~ Il y a 8 ans et 11 mois
