A potent solar flare has unleashed the biggest radiation storm since 2005 and could disrupt some satellite communications in the polar regions, US space weather monitors said Monday.
BEIJING, Jan. 20 (Xinhua) -- Vice Premier Li Keqiang on Friday extended festival greetings to Chinese scientists working in the polar regions ahead of China's Lunar New Year, which falls on Jan. 23 this year.
A potent solar flare has unleashed the biggest radiation storm since 2005 and could disrupt some satellite communications in the polar regions, US space weather monitors said.