https://www.profitableratecpm.com/f4ffsdxe?key=39b1ebce72f3758345b2155c98e6709c
The European Space Agency’s Swarm mission detected a large but temporary spike of high-energy protons at Earth’s poles during a geomagnetic storm in November. It did this not with the scientific instruments for measuring Earth’s magnetic field, but with its ‘star tracker’ positioning instruments—a first for the Swarm mission.
