Watch lead spacewalk officer at NASA’s mission Paul Dum provided a step-by-step preview of Tim Peake and Tim Kopra’s spacewalk to make repairs to the International Space Station.
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Station-bound instrument to open new chapter in the story of cosmic rays
Physicists are gearing up to send a re-engineered science instrument originally designed for lofty balloon flights high in Earth’s atmosphere to the International Space Station next week to broaden their knowledge of cosmic rays, subatomic particles traveling on intergalactic routes that could hold the key to unlocking mysteries about supernovas, black holes, pulsars and dark matter.