A Solar Flare Erupted on the Far Side of the Sun on June 4, 2011 (IMAGE)

NASA/Goddard Space Flight Center

A Solar Flare Erupted on the Far Side of the Sun on June 4, 2011

Caption

A solar flare erupted on the far side of the sun on June 4, 2011, and sent solar neutrons out into space. Solar neutrons don't make it to all the way to Earth, but NASA's MESSENGER, orbiting Mercury, found strong evidence for the neutrons, offering a new technique to study these giant explosions.

Credit

NASA/STEREO/Helioviewer

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