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الوئام
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17 spacecraft detect rare solar eruption
Unprecedented detection of a mysterious solar emission by 17 spacecraft revealed that the coronal mass ejection (CME) that occurred on December 15, 2024, was asymmetric, splitting into two parts with different speeds and directions. The first part traveled at about 840 km/s toward Earth and Mars, while the second, slower part moved westward at 534 km/s. This observation highlights the importance of distributing spacecraft across different locations to monitor solar phenomena. Such spatial coverage enabled more accurate detection of the emission and showed that asymmetric ejections might be more common than previously thought, but are difficult to observe due to limited observational coverage. The findings underscore the need to improve monitoring systems to better protect astronauts and spacecraft from radiation hazards.
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