Wednesday, July 25, 2012

Skyywatcher88 YouTube | SOLAR ACTIVITY UPDATE: Magnetic Bridge (July 25th, 2012)



MAGNETIC BRIDGE: Sunspots AR1528 and AR1529 appear to be far apart. More than 200,000 km of stellar surface separate the two. Nevertheless, they are connected by a tubular bridge of magnetism. NASA's Solar Dynamics Observatory (SDO) photographed the vast structure on July 24th: