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Solar prominence upper right erupting from the Sun This is a huge mass of plasma ionised gas that is visible as it is much cooler than the surrounding region of the solar atmosphere corona a mere Kelvin compared to million Kelvin for the corona The prominence is some kilometres long and is travelling at kilometres per hour Such eruptions are associated with coronal mass ejections CMEs ejections that include powerful magnetic fields that can severely disrupt electronics on Earth This ejection was directed away from Earth Image taken by the Extreme Ultraviolet Imaging Telescope EIT on the SOHO spacecraft on th March

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