X-ray ‘chimneys’ connect the Milky Way to mysterious gamma-ray bubbles
Two glowing columns hundreds of light-years long extend from the center of the galaxy
![gamma rays](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/03/031919_EC_x-ray-chimney_feat.jpg?fit=860%2C460&ssl=1)
DOUBLE BUBBLE Two enormous bubbles sandwich the Milky Way and emit gamma rays (illustrated). Two chimneys that glow in X-rays seem to connect these bubbles to the galaxy’s center, scientists report.
NASA Goddard Space Flight Center