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Solar tsunami

sun solar tsunami solar dynamics observatory hinode magnetic field

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#1    Waspie_Dwarf

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Posted 11 July 2013 - 04:47 PM

Solar tsunami used to measure Sunís magnetic field



University College London said:

A solar tsunami observed by NASA's Solar Dynamics Observatory (SDO) and the Japanese Hinode spacecraft has been used to provide the first accurate estimates of the Sun's magnetic field.

Solar tsunamis are produced by enormous explosions in the Sun's atmosphere called coronal mass ejections (CMEs). As the CME travels out into space, the tsunami travels across the Sun at speeds of up to 1000 kilometres per second.

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