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The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way Galaxy. [ 1 ] [ 2 ] [ 3 ] The equation was formulated in 1961 by Frank Drake , not for purposes of quantifying the number of civilizations, but as a way to stimulate scientific dialogue at the first ...
This method was a major update to the Drake equation using the assumption that life and intelligent life form on other planets in the same way as it did on earth. This idea expands on the principles of Convergent evolution. Specifically, five billion years of uninterrupted evolution is needed.
The Rare Earth equation is Ward and Brownlee's riposte to the Drake equation. It calculates , the number of Earth-like planets in the Milky Way having complex life forms, as: According to Rare Earth, the Cambrian explosion that saw extreme diversification of chordata from simple forms like Pikaia (pictured) was an improbable event.
The Drake equation has proved controversial since, although it is written as a math equation, none of its values were known at the time. Although some values may eventually be measured, others are based on social sciences and are not knowable by their very nature. [37] This does not allow one to make noteworthy conclusions from the equation. [38]
Print/export Download as PDF; Printable version; In other projects ... Drake equation (aka Green Bank equation) Einstein's field equations;
On his just-released new album, “Certified Lover Boy,” Drake responds again to West having disseminated his address, this time putting it in words. “G. Last month, in response to being ...
The Drake equation is a probabilistic framework used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy. [ 12 ] Search for extraterrestrial intelligence
Investigation Discovery’s docuseries on Nickelodeon unsealed the letters of support dialogue coach Brian Peck received after being arrested for sexually abusing actor Drake Bell in 2003.