Coleman–Sagan Equation方程式

[peter]

Coleman–Sagan Equation方程式

https://link.springer.com/referenceworkentry/10.1007%2F978-3-642-11274-4_317

The Coleman Sagan equation is used for establishing the probability of contaminating another planetary body by Earth microorganisms, and was first published by M. Coleman and C. Sagan in 1965.

This formula can be written as Pc = N0RPSPIPRPg

https://zh.wikipedia.org/wiki/%E5%BE%B7%E9%9B%B7%E5%85%8B%E5%85%AC%E5%BC%8F
Drake equation 又稱格林班克方程式（Green Bank equation
是由天文學家法蘭克·德雷克於1961年提出的一條用來推測「在銀河系內，可以和我們接觸的外星智慧文明數量」的方程式。 此方程式常跟薩根方程式混淆