April 19, 2019

How Many Space Relics Are Out There?

An artist’s conception of Pioneer 10 drifting silently around the galaxy.

(Credit-NASA).

The Drake Equation may be due an overhaul.

It’s fun to sit and think how many extraterrestrial civilizations might be out there.  First expressed by astronomer Frank Drake in 1960, the Drake Equation frames the question of how many civilizations might in our galaxy for us to potentially communicate with in mathematical terms. [Read more...]