frank drake方程

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en.wikipedia.org

Drake equation - Wikipedia

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]

www.seti.org

Drake Equation - SETI Institute

The Drake Equation was cooked up by astronomer FrankDrake in 1961 to serve as the agenda for the first meeting on the topic of SETI. In 1960, Drake had conducted a pioneering search for extraterrestrial signals – a se...

yuedu.org

德雷克方程:宇宙的孤独回响 [万物简史]

德雷克方程的伟大,在于它用最理性的语言,提出了一个最浪漫的问题。 它是一首用数学写成的诗,一曲在宇宙尺度上对孤独与希望的咏叹。 它告诉我们,科学的探索不仅是向外的发现,更是向内的自省。