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Where does Earth's mysterious 'ring current' come from? NASA and the US Space Force want to find out
A new mission will attempt to chart a mysterious ring-shaped current surrounding the Earth, so that researchers can better protect satellites and power infrastructure from charged particles in space.
The accelerating race among global powers for dominance in space will hang in the backdrop next week as leaders from across the space industry and U.S. military converge on Colorado for the 2026 Space ...
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