On Feb. 4, 2022, SpaceX launched 49 satellites as part of Elon Musk’s Starlink internet project, most of which burned up in the atmosphere days later. The cause of this more than US$50 million failure was a geomagnetic storm caused by the sun.
Geomagnetic storms occur when space weather hits and interacts with the Earth. Space weather is caused by fluctuations within the sun that blast electrons, protons and other particles into space. When space weather reaches Earth, it triggers many complicated processes that can cause a lot of trouble for anything in orbit. And engineers are working to better understand these risks and defend satellites against them.
What causes space weather?
The sun is always releasing a steady amount of charged particles into space...
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