english: Many years ago, the physicist Enrico Fermi asked that, given the fact that our universe has been around for a very long time and we expect that there are many planets within it, we should have found evidence for alien life by now.
non_english: Vele jaren geleden stelde fysicus Enrico Fermi dat ons universum alreeds lange tijd bestaat en er zich naar verwachting vele planeten in bevinden; we hadden dus al lang buitenaards leven moeten vinden.