Scientists in the U.S. have proposed a space shield to protect against solar storms
American scientists have unveiled a concept for an innovative system designed to protect against powerful solar storms, called StormWall, which has the potential to significantly reduce the impact of dangerous space phenomena on Earth.
The results of the study were published in the scientific journal Space Weather.
The project’s authors, led by researcher Brian Walsh of Boston University, believe that humanity can transition from passive protection to actively countering the effects of solar activity.
The concept involves placing six special spacecraft in geostationary orbit. Each will carry reserves of barium, lithium, sodium, or calcium.
If a dangerous solar eruption is detected, these substances will be sprayed into space. Under the influence of solar radiation, they will quickly transform into a cloud of charged plasma.
According to the study, this plasma will be directed toward the day side of Earth’s magnetosphere—precisely where the solar wind exerts the greatest pressure.
Scientists explain that the additional plasma can slow down the process of magnetic reconnection, through which the Sun’s energy penetrates the planet’s magnetic shield and causes geomagnetic storms.
It is precisely these storms that can pose a threat to:
- satellite systems;
- power grids;
- communication and navigation systems;
- spacecraft and astronauts.
According to simulation results, StormWall can reduce the intensity of geomagnetic storms by more than 50%.
During simulations that replicated the conditions of a powerful geomagnetic event in May 2024, the system significantly weakened the impact of the solar storm and deflected part of its energy away from Earth.
Brian Walsh emphasized that the concept refutes the widespread belief that humans cannot influence the consequences of solar activity.
“Intervention is entirely possible from a physical standpoint, and the necessary materials and launch capabilities already exist,” the researcher notes.
Despite the project’s promise, its implementation will require significant resources.
According to the study authors’ calculations, a single use of the system would require a quantity of material equivalent to the cargo of approximately 20 oil tankers.
In addition, each use of StormWall will be a one-time event, as once the plasma is released, it cannot be recovered.
At the same time, scientists assure that the environmental risks are minimal. According to their data, the plasma is completely dispersed by the solar wind in about six hours and does not enter Earth’s atmosphere.
Since the magnetosphere protects the entire Earth, the StormWall system could potentially provide simultaneous protection for all of humanity, regardless of country or region.
According to the researchers, such technologies could become an important element of a future planetary security system amid humanity’s growing dependence on space and digital technologies.
The study’s findings were published in the scientific journal Space Weather, reports Descopera.ro.
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