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Stars and solar physics

Stars and solar physics

Calculating the speed of coronal mass ejections could avoid unneeded satellite shutdown

30 Jun 2020
Coronal mass ejection
Reaching out: a huge coronal mass ejection that was spotted in 2012 by the ESA/NASA Solar Heliospheric Observatory. (Courtesy: NASA/Goddard Space Flight Center)
Satellite operators could be doing more harm than good by shutting down their systems whenever a cor

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Sam Jarman is a science writer based in the UK
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