Are We Alone In The Universe?
Quand:
13:00, vendredi 27 mai 2016
(1 heure 30 minutes)
Où:
Engage
Comment:
The galaxy is old. Very, very old. So old that if there were other spacefaring civilizations they should have visited every corner many times- yet we see no sign of aliens. Why? Are humans the only intelligence in the galaxy?