Astronomers have created the first continuous, two-dimensional maps of the outer edge of the Sun’s atmosphere, revealing a dynamic and changing boundary where solar material finally escapes into space. This boundary, known as the Alfvén surface, marks the point where the Sun’s powerful magnetic influence can no longer hold back the solar wind. Once particles [.] The post Scientists draw the first detailed map of the Sun’s “point of no return” appeared first on Knowridge Science Report.