觀看完整課程：http://ed.ted.com/lessons/calculating-the-odds-of-intelligent-alien-life

難道還有智慧生命在其他行星上？幾十年來，這個問題一直引起人們的想像力和好奇心。一同探索德雷克公式的解答──這是用來估計未知生命可能性的數學公式。

課程製作：吉兒·塔特；動畫製作： TED-Ed

計算外星智慧生物存在的可能性 - 吉兒·塔特

Scientists use the Drake equation to estimate how many technological civilizations might exist in our galaxy. Its variables range from the rate of star formation to the odds that intelligent life develops and uses technology. As new planets are discovered, some factors become clearer, but the greatest uncertainty remains how long civilizations survive and transmit. If life is found beyond Earth, even once, it would suggest life is common across the cosmos.

The Search For Aliens Hinges On One Big Unknown

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TED-Ed Original

Jill Tarter: 計算外星智慧生物存在的可能性 - 吉兒·塔特