Usually banished to the poles of Earth, the auroras strayed as far as Mexico, southern Europe and South Africa on the evening of May 10, delighting skygazers and filling social media with images of exuberant pinks, greens and purples.
But for those charged with protecting Earth from powerful solar storms such as the one that caused the auroras, a threat lurks beneath the stunning colours.
"We need to understand that behind this beauty, there is danger," Quentin Verspieren, the European Space Agency's space safety programme coordinator... Читать дальше...