image: Full field-of-view images from the Swedish Solar Telescope (approximately 50,000 km x 50,000 km). The two images show a sunspot on the sun's surface (left) and from 1,000 km above the surface (right). This image accompanied the report "Alfvén Waves in the Lower Solar Atmosphere," by D. Jess and colleagues appearing in the March 20, 2009 issue of Science. view more
Credit: Image courtesy of Dr. David Jess, Queen’s University Belfast, via <i>Science</i>-AAAS