NASA's Solar Dynamics Observatory captured a strong solar flare erupting from the Sun on June 20. The flare was seen coming from the sunspot AR3341.
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Classification
Solar flares are powerful bursts of energy from the Sun. They fall under five classes: A, B, C, M, and X. X-class is the most intense while A-class is the weakest.
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Intense solar flare
The solar flare observed on June 20 is classified as an X1.0 flare, where the number denotes the strength of the eruption.
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Effect
Solar flares can affect radio communications, electric power grids, and navigation signals. They can even pose risks to spacecraft and astronauts.
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Shield
However, on Earth, we areprotected from the effects ofsolar flares, thanks to the planet's magnetic field and atmosphere.