|[[ImageBerkas:800 nasa structure renderin2.jpg|thumb|left|X-ray/gamma-ray bubbles of Earth's Galaxy, the Milky Way. (Art)]]
|[[FileBerkas:Gamma-ray Bubbles.ogv|thumb|300px|Using data from NASA's Fermi Gamma-ray Space Telescope, scientists have discovered a gigantic, mysterious structure in our galaxy. This never-before-seen feature looks like a pair of bubbles extending above and below our galaxy's center.]]