What is the arrow of time?

Jun 21, 2023 ... Sagittarius A*, the supermassive black hole at the center of the Milky Way galaxy, woke some 200 years ago to devour cosmic debris, ... Sep 13, 2021 ... Dense Molecular Clouds in the Center of Milky Way are Unable to Form Stars ... New observations with the Atacama Large Millimeter/submillimeter ... Feb 18, 2025 ... ... middle of our galaxy ... This artist's concept portrays the supermassive black hole at the center of the Milky Way galaxy, known as Sagittarius A* ... Apr 19, 2024 ... This Impressionistic swirl of color represents the churning magnetic fields in giant dust clouds near the center of the galaxy. The very center of the Milky Way is known as the Galactic Center. It has a unique collection of very exotic objects that have intrigued astronomers for many ... 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 ... Apr 20, 2009 ... Galaxy's centre tastes of raspberries and smells of rum, say astronomers ... Astronomers searching for the building blocks of life in a giant dust ... May 18, 2022 ... ... center of our own Milky Way galaxy. Astronomers have posited the existence of a black hole in the middle of the Milky Way ever since Karl ... Our home galaxy, the Milky Way, is an island of starlight. It has spiral arms, a bar across its center, and at least one black hole at its core. Nov 6, 2012 ... The researchers analyzed the data, and found a spike of 700 photons — which, while small compared with more active galaxies, was 150 times ...