NASA scientists use the Hubble Space Telescope to observe the Fermi Bubbles at the center of our galaxy. The bubbles were discovered in 2010.(Photo : NASA, ESA, A. Fox and A. Feild (STScI))
The Hubble Space Telescope's Cosmic Origins Spectrograph (COS) probes Fermi Bubbles formed by a massive explosion at the center of the Milky Way.