Mystery of unexplained ‘bright nights’ solved
Dating back to the first century, scientists, philosophers and reporters have noted the occasional occurrence of ‘bright nights,’ when an unexplained glow in the night sky lets observers see distant mountains, read a newspaper or check their watch. A new study accepted for publication in Geophysical Research Letters, a journal of the American Geophysical Union, uses satellite data to present a possible explanation for these puzzling historical phenomena. …read more