Something Revealed Itself by Bending the Light of a Distant Star in 2019—Now Astronomers Are Racing to Find Out What It Was
For just an hour in late 2019, a cosmic mystery revealed itself to astronomers in an unprecedented way:…
Journey to Center of Milky Way With Upcoming NASA Roman Core Survey
At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black…