sábado, dezembro 10, 2011

ATIVIDADE SOLAR ATUALIZAÇÃO 10-12-2011

SolarIMG


A velocidade do vento solar medida pelo satélite SOHO é de 526 km/s. O número de manchas solares informado é de 142 para um fluxo solar de 144.


Last night, NASA’s Solar Dynamics Observatory (SDO) observed an unusual event on the sun: An erupting cloud of plasma was eclipsed by a dark magnetic filament. The source of the explosion is a farside active region due to turn toward Earth in a few days. For now, though, the blast site lies just behind the sun’s eastern limb–perfectly situated for this rare kind of eclipse. Note the filament of relatively cool dark material snaking across...