The bared minimum: Revealing a new phase of stellar activity in HD 166620
Four centuries ago, the Sun entered a long phase of low activity. Newly-presented data suggests that the star HD 166620 is now doing the same thing!
Meet the AAS Keynote Speakers: Prof. Jocelyn Bell Burnell
Today we interview astronomer Dr. Jocelyn Bell Burnell for her plenary talk at #AAS240!
Not all black holes that wander are lost – and now, some may have been found.
In today’s paper, astronomers look for meandering modern-day analogues of the ancient building blocks of supermassive black holes.
A puppy chasing its tail: The Event Horizon Telescope’s observations of Sgr A*, part 2
Yesterday, the Event Horizon Telescope released a second ever image of a black hole. Here’s what they found.
90 years in the making: The Event Horizon Telescope’s observations of Sgr A*, part 1
Yesterday, the Event Horizon Telescope released the first image of the black hole at the center of our galaxy. But how did we get to this point?