A balloon-like structure has been hiding in plain sight in the center of our galaxy.
Using South African Radio Astronomy Observatory’s MeerKAT telescope, professor Farhad Yusef-Zadeh and an international team of researchers discovered a gigantic, balloon-like structure in the center of the Milky Way. The newly spotted pair of radio-emitting bubbles spans hundreds of light-years. In this composite view, the sky to the left of the second-nearest antenna is the night sky visible to the unaided eye, and the radio image to the right has been enlarged to highlight its features.
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Last August, Northwestern audiology graduate students made the trek to Nuevo Progreso in western Guatemala to provide comprehensive care for the local residents. Over the course of four more-than-12-hour days, eight students worked alongside four professional audiologists to perform diagnostic testing and hearing-aid fittings.
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