Published on February 7, 2017
Astronauts are spending weeks in underground caves in Italy. The conditions are thought to help prepare astronauts for the harsh reality of spaceflight.
Read more:
FACEBOOK:
TWITTER:
INSTAGRAM:
TUMBLR:
Astronauts are spending weeks in underground caves in Italy. The conditions are thought to help prepare astronauts for the harsh reality of spaceflight.
Read more:
FACEBOOK:
TWITTER:
INSTAGRAM:
TUMBLR: