The Milky Way Has a Hidden Edge and Scientists Finally Mapped It
University of Malta
Astronomers have finally identified where the Milky Way’s star-making activity fades, uncovering a long-sought boundary in our galaxy. Determining how far the Milky Way extends has always been tricky because its disk does not end abruptly — it gradually fades into space. Now, researchers have identified a clear boundary for where new stars are actively [...]