2014年12月29日 星期一

Dawn Journal: History of Ceres

As Dawn looks toward the new world of Ceres, Mission Director Marc Rayman looks back on Ceres' discovery.



from Planetary Society Blog http://www.planetary.org/blogs/guest-blogs/marc-rayman/20141229-dawn-journal-history-of-ceres.html

via IFTTT

沒有留言:

張貼留言