The First Untethered Spacewalk

The First Untethered Spacewalk On 20 February 1984, astronaut Hoot Gibson peered out of Challenger at something rare and sensational. He grabbed a camera, took a light meter reading three times, checked the focus four times, and snapped one of the starkest, most indelible images in the history of photography.Bruce McCandless II floated 300 feet away, blanketed […]

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