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This iconic photograph is still considered one of the most-terrifying space photographs to date. Astronaut Bruce McCandless II became the first human being to do a spacewalk without a safety tether linked to a spacecraft. In 1984, he floated completely untethered in space with…
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twitter.com
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由
Amazing Astronomy
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This iconic photograph is still considered one of the most-terrifying space photographs to date. Astronaut Bruce McCandless II became the first human being to do a spacewalk without a safety tether linked to a spacecraft. In 1984, he floated completely untethered in space with nothing but his Manned Maneuvering Unit keeping him alive.
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This morning began with one of the largest Russian strikes on Ukraine. 210 missiles and drones, including aeroballistic and hypersonic missiles, as well as dozens of Shahed drones, were launched. All of them targeted civilian infrastructure—critical facilities like power plants
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This morning began with one of the largest Russian strikes on Ukraine. 210 missiles and drones, including aeroballistic and hypersonic missiles, as well as dozens of Shahed drones, were launched. All of them targeted civilian infrastructure—critical facilities like power plants
时政
(
twitter.com)
00:00:13