NASA released a spectacle of enormous "dragon" glow, charging silently across the night sky over Iceland.
The natural phenomenon is caused by particles emanating from the Sun, which are confronted with the Earth's atmosphere to become a wonderful light show
"Have you ever seen a dragon in the sky?" Although true flying dragons do not exist , a huge dragon glow in the heavens above Iceland earlier this month, "the space agency said. NASA added: "The Aurora is caused by a hole in the solar crown that ejects the charged particles into a solar wind that follows the changing interplanetary magnetic field the magnetic sphere of the Earth is mysterious because it occurred during a low activity of sunspots, according to NASA, which means that the Sun does not emit as much charged particles as it usually does. "