Should we be looking for life elsewhere in the universe? - Aomawa Shields

source: TED-Ed    2016年7月25日
View full lesson: http://ed.ted.com/lessons/should-we-b...
As the number of “potentially habitable” planets that astronomers find continues to rise, we seem ever closer to answering the question, “Are we alone in the universe?” But should we be looking for life elsewhere? If we were to find life in one of these worlds, should we try to contact any beings who may live there? Is that wise? Aomawa Shields navigates the murky waters of pursuing curiosity.
Lesson by Aomawa Shields, animation by Boniato Studio.

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