In 1961 at the Green Bank Observatory in West Virginia, a small conference was held for astrophysicist.

The meaning was organized by Cornell University professor and astronomer Frank Drake.

The subject of the conference was the search for extraterrestrial life.

In preparation for the conference he jotted down his thoughts in the form of an equation,

an equation that has changed how we think about life on other worlds.

Learn more about the Drake equation and the variables which make it up on this episode of

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In the late 1950s and early 1960s,

the science of astronomy was making huge strides.

In particular, the field of radio astronomy

had been taking off and many new discoveries were being made. With these new

discoveries and new observation tools the questions of extraterrestrial intelligence began to come to the forefront and

...