Brzy přijde mimořádná sluneční bouře, varují vědci

SDO Captures X1.9 Class Solar Flare The Solar Dynamics Observatory (SDO) captured this image of the X1.9 class solar flare from November 3, 2011. Credit: NASA/SDO
SDO Captures X1.9 Class Solar Flare The Solar Dynamics Observatory (SDO) captured this image of the X1.9 class solar flare from November 3, 2011. Credit: NASA/SDO | Foto: NASA