N~1: Alone in the Milky Way - Livestream

The Drake Equation famously “quantifies our ignorance” regarding the number, N, of advanced civilizations in our galaxy. Even though planets are plentiful, and even though life may be a natural - even common - product of cosmic chemistry, we Earthlings may represent the solitary galactic civilization capable of interstellar communication. I.e., perhaps N~1.

Pascal Lee, SETI Institute

Watch on the Mt Tam Astronomy Channel