June 08, 2011

Solar flare

A solar eruption that blasted an estimated billion tonnes of material into space has been captured by Nasa's Solar Dynamics Observatory.

The eruption, known as a coronal mass ejection (CME), was accompanied by a solar flare that emerged from a sunspot on Tuesday. The solar flare is expected to reach Earth later today. It could possibly affect power grids and GPS satellites.

>> Experts downplay threat to Earth from solar flare

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Posted by mehrdad at June 8, 2011 04:54 PM | Science |