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Ventures into the skies above our heads may have begun with the Wright Brothers and their rudimentary attempts at flight, but within decades those initial crude experiments evolved into sophisticated spacecraft that could not only take humankind soaring only into the skies, but well beyond. Indeed, by the 1960s the future for humankind seemed clearly to be destined for space, and eventually the colonization of near and distant planets.
This of course, led to the obvious question: where was all the life we assumed was out there? If there were plenty of planets in so-called habitable zones, as all of our growing body of data seemed to suggest, why weren’t we discovering life? Why weren’t we picking up the transmissions of distant civilizations with our ever more powerful and far-reaching sensors and telescopes?
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Ventures into the skies above our heads may have begun with the Wright Brothers and their rudimentary attempts at flight, but within decades those initial crude experiments evolved into sophisticated spacecraft that could not only take humankind soaring only into the skies, but well beyond. Indeed, by the 1960s the future for humankind seemed clearly to be destined for space, and eventually the colonization of near and distant planets.
This of course, led to the obvious question: where was all the life we assumed was out there? If there were plenty of planets in so-called habitable zones, as all of our growing body of data seemed to suggest, why weren’t we discovering life? Why weren’t we picking up the transmissions of distant civilizations with our ever more powerful and far-reaching sensors and telescopes?
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