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Alfven Waves
November 6 , 2025
14 days
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- Scientists have directly detected Alfven waves in the Sun’s corona for the first time.
- These magnetic waves may account for at least half of the energy needed to heat the Sun’s outer atmosphere.
- The Sun’s corona reaches 2 million degrees Fahrenheit (1.1 million degrees Celsius), far hotter than its surface at 10,000 degrees Fahrenheit (5,500 degrees Celsius).
- The discovery was made using the Daniel K. Inouye Solar Telescope (DKIST) in Hawaii.
- Red and blue Doppler shifts in the corona confirmed the presence of Alfven waves.
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