What are stellar streams and can they be used to probe the Galactic Center's gravitational potential?

Mar 9, 2022 ... The related structures — known as the eRosita and Fermi bubbles and the microwave haze — are the result of a powerful jet of activity from the ... May 17, 2021 ... An artist's impression of the thick disc in the middle of the Milky Way. Credit: ESO/NASA/JPL-Caltech/M. Kornmesser/R. Hurt, CC BY 4.0. Oct 4, 2012 ... UCLA astronomers report the discovery of a remarkable star that orbits the enormous black hole at the center of our Milky Way galaxy in a blistering 11-and-a- ... Yes, the Sun - in fact, our whole solar system - orbits around the center of the Milky Way Galaxy. We are moving at an average velocity of 828,000 km/hr. But ... Jun 2, 2023 ... But Earth lies in one of the spiral arms of the Milky Way, known as the Orion Arm, far out from the centre of our home galaxy. And stars are ... Mar 7, 2025 ... A star has been spotted shooting away from the heart of our galaxy at around 500 kilometres per second, giving astronomers clues about a group of stellar ... Jan 23, 2013 ... The result of this paper is that gas in Galactic center gas clouds really is HOT. This study of 22 different positions in gas clouds in the ... Jan 16, 2015 ... At the center of the Milky Way Galaxy, like almost every Galaxy, is a supermassive black hole. I believe it has a gravitational pull about 4 ... May 26, 2024 ... Hypertriglyceridemia-Induced Acute Pancreatitis-The Milky Way Constellation-The Seven-Year Experience of a Large Tertiary Centre. Diagnostics ... The Galactic Center is the barycenter of the Milky Way and a corresponding point on the rotational axis of the galaxy. Its central massive object is a ...