Eruptions on the Sun Set Off ‘Solar Tsunamis’

5:59 minutes

Two recent eruptions on the sun sent solar tsunamis sweeping across its surface. Physicist David Long reported on the tsunamis in the journal Solar Physics, and he says the waves allowed him to calculate the magnetic field of a “quiet” area on the solar surface, which is 10 times weaker than a fridge magnet.

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David Long

David Long is a solar physicist at the Mullard Space Science Laboratory at University College London in Surrey, U.K.

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About Christopher Intagliata

Christopher Intagliata is Science Friday’s senior producer. He once served as a prop in an optical illusion and speaks passable Ira Flatowese.