
IN WHICH WE BURN A solar eruption, imaged by NASA’s Solar Dynamics Observatory, reveals evidence of magnetic “braids” caused by the swirling of plasma on the Sun’s surface. (Photo: NASA / National News / Zuma Press via The Wall Street Journal)

IN WHICH WE BURN A solar eruption, imaged by NASA’s Solar Dynamics Observatory, reveals evidence of magnetic “braids” caused by the swirling of plasma on the Sun’s surface. (Photo: NASA / National News / Zuma Press via The Wall Street Journal)