FRANCE: The scientists at NASA including one of Indian-origin have developed a new tool that can predict solar geomagnetic storms – which can cause telecommunication disruptions and power outages – 24 hours in advance.
Solar storms start their lives as violent explosions from the sun’s surface. They’re made up of energetic charged particles wrapped in a complex magnetic cloud.
Solar geomagnetic storms may be caused by a giant cloud of solar particles, called a coronal mass ejection (CME), aligned in the opposite direction of the Earth’s magnetic field.
Coronal mass ejections (CMEs) are eruptions of gas and magnetized material from the Sun that have the potential to wreak havoc on satellites and Earth-bound technologies, disrupting radio transmissions and causing transformer blowouts and blackouts.
If a CME is aligned in the same direction as Earth’s – that is, pointing from south to north – the CME will slide by without much effect.
As solar storm erupt from the sun’s surface, they can shoot out into interplanetary space at speeds of up to 3,000 kilometers per second (that’s 6.7 million miles per hour).
Depending on their direction of travel, these energetic storms can journey past Earth and other planets.
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