![]() NASA's Solar Dynamics Observatory recorded the eruption: 6th, hurling pieces of itself into space. SOLAR FILAMENT SNAPS, MISSES EARTH: A magnetic filament in the sun's southern hemisphere snapped during the early hours of Aug. The planetary K-index has reached 4 (almost a geomagnetic storm) and could soon hit 5 (minor geomagnetic storm) if the buffeting continues. 7th in response to the arrival of an unexpected solar wind stream. ![]() Neutron counts from the University of Oulu's Sodankyla Geophysical Observatory show that cosmic rays reaching Earth are slowly declining-a result of the yin-yang relationship between the solar cycle and cosmic rays.Ī GEOMAGNETIC STORM IS BREWING: Earth's polar magnetic field is unsettled on Aug. ![]() Credit: SDO/HMIĬosmic Rays Solar Cycle 25 is beginning, and this is reflected in the number of cosmic rays entering Earth's atmosphere. A new sunspot is emerging at the circled location.
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