Gamma-ray bubbles from the center of the galaxy.

NASA - NASA's Fermi Telescope Finds Giant Structure in our Galaxy:

image via nasa.gov

WASHINGTON -- NASA's Fermi Gamma-ray Space Telescope has unveiled a previously unseen structure centered in the Milky Way. The feature spans 50,000 light-years and may be the remnant of an eruption from a supersized black hole at the center of our galaxy.

That's wucked. (I just learned it. Trying it out. Think I'll stick with 'wicked' going forward.)