Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

Skylab 3 astronauts witnessed many spectacular sights during their 858 orbital trips around the Earth in the summer of 1973.

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最早推出Transformer架构的谷歌，一度在大模型竞赛中落后。好在随着Gemini的不断进化，谷歌正在回到第一梯队。3月26日，Gemini 2.5 Pro上线，这个模型一经推出就登顶各大榜单，在Chatbot Arena上较第二名高出整整39分 ...

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Keywords Skylab, Apollo Command Module, biomedical experiments, weightlessness, cardiovascular studies, exercise capacity, sleep patterns, waste management, astronaut health, long-duration ...

In 1979, when the US space station Skylab was predicted to fall to earth somewhere in Western Australia, Bill King pounced on it as a tourism opportunity. Bill, a tour operator who’d forged a ...

“We expect our hydrogen to compete unsubsidised in the 100-megatonne existing global hydrogen market – and that’s just a beginning.” ...

This collection of interactive exercises uses Times resources to help young people find the news that matters to them, understand how it’s made, connect it to their lives — and make media of ...