Saturn's rings cut across this view of the planet's largest moon, Titan, in this image taken by the Cassini spacecraft on May 12, 2011. NASA/JPL-Caltech/Space Science Institute hide caption

toggle caption NASA/JPL-Caltech/Space Science Institute

A single plume of plasma, many times taller than the diameter of Earth, rose up from the Sun, twisted and spun around, while spewing streams of particles for two days — Aug. 17-19, 2015 — before breaking apart. NASA/GSFC/Solar Dynamics Observatory hide caption

toggle caption NASA/GSFC/Solar Dynamics Observatory