Monday 1 October 2007
If other civilizations exist, then it would seem reasonable that at least some would be more advanced than ours, and would presumably be able to travel to nearby star systems. After a few millions of years they ought to have colonized the entire Milky Way Galaxy. Radio astronomers have been searching ever since Frank Drake undertook the first scientific search for extraterrestrial civilizations with Project Ozma back in 1960. Yet there is no sign of extraterrestrial civilization anywhere in our galaxy. The silence across the galaxy has been deafening. So where are they? Michael Byron ☀
