As predicted, a solar wind stream struck the Earth’s magnetic field. As a result, auroras flashed over Reykjavik, Iceland.
“As summer approaches, daylight slowly captures the night sky,” says photographer Sigurbergur Arnason. “When the auroras appeared, there were already glimpses of sunset and daylight in the northwest in the sky.”
The solar wind flows from a southern hole in the atmosphere of the sun. The effluent is wide enough to absorb the Earth for another 24 hours.