Powerful solar flare knocks out shortwave radio stations across the Pacific
Illustration of the Sun’s flame – Photo: ISTOCK From 6:07 a.m. on February 8 (Vietnam time), the sunspot AR3213 emitted …
shortwave
Illustration of the Sun’s flame – Photo: ISTOCK From 6:07 a.m. on February 8 (Vietnam time), the sunspot AR3213 emitted …