Current version

This is the accepted version.
added by Krzysztof Moskal July 30, 2015, 6:38 p.m.
reach: rather globalastronomyrockets

Votes

+2 Very interesting!  globalquiz.org
+1 Very interesting!  Claudia Segura
+1 Very interesting!  Sancho
+1 Very interesting!  Luca Biaggi