Carl Sagan: God gave us two choices.#CarlSagan #Mars #MultiPlanetSpecies #elonmusk
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YouTubeBeautifulMinds
Carl Sagan: God gave us two choices.#CarlSagan #Mars #MultiPlanetSpecies #elonmusk
In 1986, Carl Sagan delivered one of the most quietly devastating speeches in modern history. Not with anger. Not with panic. But with the calm, measured voice of a man who had looked at the universe long enough to understand exactly how fragile we are. In this clip, Sagan argues that the US space program had lost its sense of purpose — and ...
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