CURRENT AFFAIRS
CURRENT AFFAIRS
Description
A remarkable solar eruption, dubbed the "Bird-Wing" event, was recently captured by NASA satellites. This dramatic space weather occurrence involved a vast plume of plasma erupting from the Sun’s northern hemisphere, forming a wing-like shape. The plasma outburst stretched over one million kilometres more than twice the Earth-Moon distance and experts caution that it could affect Earth’s technological systems.
Key Characteristics Of 'Bird-Wing' Eruption
This phenomenon consisted of both a solar flare and a coronal mass ejection (CME). Solar flares are powerful surges of electromagnetic energy caused by the realignment of the Sun’s magnetic fields. CMEs, on the other hand, involve large-scale ejections of charged plasma from the solar corona. The Bird-Wing event has already caused temporary radio signal disruptions in regions including Asia, Africa, Europe, and the Americas.
Understanding Solar Flares And CMEs
Solar flares are triggered when intense magnetic fields on the Sun undergo a sudden restructuring. This process releases a tremendous amount of energy in the form of radiation that moves at light speed. Meanwhile, CMEs travel much slower typically between 250 km/s and 3000 km/s reaching Earth in one to three days, depending on their velocity.
Potential Consequences For Earth
This recent solar activity may spark geomagnetic storms in Earth’s atmosphere. Such storms can interfere with satellite systems, GPS navigation, radio communication, and even terrestrial power grids. They may also intensify auroras, making them visible further from the poles than usual. Space weather specialists are closely tracking developments to evaluate any risks to technological infrastructure.
Ongoing Monitoring And Alerts
In light of the Bird-Wing event, space weather authorities have issued advisories to prepare relevant sectors for potential disturbances. These alerts aim to help mitigate the impact on communication networks and navigation systems. Monitoring efforts continue as the situation unfolds, with agencies remaining vigilant for further solar activity.
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