Mysterious 'Fermi Bubbles' may be the result of black hole indigestion 6 million years ago

The center of the Milky Way is a puzzle of invisible, interconnected blobs. There are swooping tendrils of energy visible only in radio wavelengths, hourglass-shaped scars of X-ray light and — towering over it all — the mysterious Fermi Bubbles.

from FOX News https://ift.tt/2TQgkWT
v