Giant solar radio source

Image may be NSFW.
Clik here to view.© NASA/SDO, LOFAR, Sijie Yu, Eduard Kontar

Radio observations of the outer solar corona provide the unique link between near-Sun phenomena and the effects of solar activity that extend throughout the heliosphere.

Researchers sponsored by EU-network RadioSun use radio images obtained by the Low Frequency Array (LOFAR) to study giant radio sources associated with a Coronal Mass Ejections.

See also: http://www.astro.gla.ac.uk/?p=4460