A couple of months ago, I wrote a piece here on Universe exploring the ideas of the futurist Gerard K. O'Neill, who designed far-out but ultimately quite pragmatic environments for human habitation in space in the mid-1970s. In that article, I touched briefly on the notion of the "Overview Effect," a phrase coined by the writer Frank White to describe the profound insight -- characterized by a sudden awareness of life's interconnectedness and the frailty of our planet -- experienced by astronauts gazing down at the Earth from space.
Frank White is the author of The Overview Effect: Space…
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