The invention relates to a satellite-supported solar storm early warning system for providing a warning signal upon approach of a solar storm to Earth, comprising a number of satellites in a region between the Earth and the Sun and stationary with respect to the center of the Earth and to the connecting line between the Earth and Sun, which satellites are respectively equipped with at least one sensor for measuring at least one parameter of a particle flow in the surroundings thereof, and all of which satellites are in radio signal connection with a receiver on Earth, directly and/or via a satellite or one of the satellites, and each of which satellites is equipped to transmit a measured value of a sensor of the system and/or a warning signal upon exceeding a threshold value by a measured value of a sensor of the system to the receiver via the radio signal connection.
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