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Sun spews ‘dark plasma’ into space from its far side

An explosion on the the sun spewed ‘dark plasma’ into space that resulted in a moderate G2-class geomagnetic storm on Wednesday (March 15).

The eruption was detected on March 11 by coronagraphs at NASA’s Solar Dynamics Observatory (SDO) and on the Solar and Heliospheric Observatory satellite (SOHO), an Earth-orbiting spacecraft co-operated by NASA and the European Space Agency. SOHO spotted a somewhat dark stream of plasma, known as a coronal mass ejection (CME), that emerged from the southwestern limb of the sun, according to (opens in new tab)

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