In the quest to find the outer limits of our galaxy, astronomers have discovered over 200 stars that form the Milky Way’s edge, the most distant of which is over one million light-years away—nearly halfway to the Andromeda galaxy. Read...
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The supermassive black hole at the center of the Milky Way galaxy is being circled by a bubble of hot gas, according to recent analysis by the Event Horizon Telescope Collaboration. The gas is whipping around the black hole at about 30% the speed of light. Read...