Earth ChangesCataclysmic Geomagnetic Field Collapse: Global Security Concerns Posted on August 23, 2026 by Administrator Earth is constantly under assault by the solar wind, an electrically conducting ionized plasma streaming from the sun at temperatures on the order of one million degrees Celsius and velocities of about 1.6 million kilometers per hour. Fortunately, the geomagnetic field deflects the solar wind safely around our planet thus shielding the environment and its biological constituents from serious harm.