Astronomer Frank Drake formulated his influential equation in 1961 to estimate the number of civilizations in the Milky Way capable of communicating with us. Our understanding of planetary science has ...
Frank Drake writing his famous equation on a white board. Credit: SETI.org On November 1, 1961, a number of prominent scientists converged on the National Radio Astronomy Observatory in Green Bank, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results