Brzy přijde mimořádná sluneční bouře, varují vědci

X5.4 Solar Flare This image is from the March 6, 2012 X5.4 flare, captured by the Solar Dynamics Observatory (SDO) in the 171 Angstrom wavelength. Credit: NASA/SDO/AIA › Link to associated news item
X5.4 Solar Flare This image is from the March 6, 2012 X5.4 flare, captured by the Solar Dynamics Observatory (SDO) in the 171 Angstrom wavelength. Credit: NASA/SDO/AIA › Link to associated news item | Foto: NASA