Some electrons are speeding above Earth's surface at nearly the speed of light, and NASA isn't sure why.
According to a new study, the tiny, charged particles were found accelerating to high speeds in an unexpected part of space, farther from Earth than previously realized.
The region these fast electrons were found in, known as the foreshock, is the part of the solar system where charged particles streaming from the sun are thought to be reflected back from Earth's magnetic field toward the star.
Until now, however, scientists didn't think the region could speed up particles to the degree that was observed Read more...
More about Solar Wind, Space Travel, Solar Storms, Sun, and Electrons
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