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Geomagnetic storms: Everything you wanted to know about this solar phenomenon in brief

Geomagnetic storms can wreak havoc on Earth as they have the power to destroy all the communications and electrical infrastructure on Earth and even the satellites up in the sky. But do you know what these storms are?

Updated on: Jun 22 2023, 17:37 IST

Solar Flare explosion may cause Geomagnetic storms on Earth

Auroras — 1/5 The report stated “Something just exploded on the sun's north-eastern part. On July 31st at 2309 UT, Earth-orbiting satellites registered a long-lasting C9.3-class solar flare; the intensity is probably an underestimate because it was partially eclipsed.” (NASA)

Auroras — 2/5 According to the report, debris flying away from the blast site on the Sun was observed by NASA's Solar Dynamics Observatory (SDO). “The explosion is significant because it may herald an active region set to emerge over the sun's north-eastern part later this week. A new sunspot group could bring an end to weeks of relative quiet,” the report further added. (NASA SDO)

Auroras — 3/5 Although Earth was not directly in the line of fire, the solar flares which hurled towards Earth may cause the emergence of Geomagnetic storms. According to NASA, a geomagnetic storm is a major disturbance of Earth's magnetosphere which occurs when there is a strong exchange of energy from the solar wind in the space above Earth. (REUTERS)

Auroras — 4/5 According to the National Oceanic and Atmospheric Administration (NOAA) researchers, there is a chance of a minor G1-class geomagnetic storm on August 3. As per the K-index, which measures the magnetic field around the Earth, solar storms are divided into 5 classes from G-1 to G-5. The G-1 is the lowest impact Geomagnetic storm whereas G-5 is assigned to the most severe storms. (NASA)

Auroras — 5/5 The frequency of solar flares is set to increase in the coming years as the Sun reaches the peak of its solar cycle, likely to be around 2025. This will not only increase the frequency of solar flares and solar storms, but could also potentially Earth systems like power grid and GPS. (NASA)

Auroras — Amazingly, geomagnetic storms can also cause stunning auroras in the sky. (Unsplash)

By HT TECH

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