There is a supermassive black hole of nearly 4 million solar masses at the center of our Milky Way Galaxy. A large reservoir of hot and cooler hydrogen surrounds it within a few light-years. Now an international team of astronomers has used the Atacama Large Millimeter/submillimeter Array (ALMA) to image the cooler portion of this accreting gas. An artist’s impression of a disk of cool interstellar gas surrounding the supermassive black hole at...