On February 7, 1984, as part of a space shuttle <i>Challenger</i> mission, Bruce McCandless became the first astronaut to maneuver freely in space—without being tethered to a vehicle.
2024-04-15 词
What empowered humans to escape our home, physically and intellectually, and soar into the unknown? What insights, what courage, what technological failures and successes carried us to the knowledge we have today? And what mind-blowing realizations at the edge of our understanding provide glimpses of a vast cosmos yet to be explored?
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