A star being gobbled by a massive black hole sends out a “mayday call,” and Earth receives it. This happens “only once every 100 million years.”
Photo: University of Warwick, Mark A. Garlick

A star being gobbled by a massive black hole sends out a “mayday call,” and Earth receives it. This happens “only once every 100 million years.”

Photo: University of Warwick, Mark A. Garlick