Mysterious Fermi Bubbles May Have Been Burped Out By Milky Way's Black Hole
Mysterious Fermi Bubbles May Have Been Burped Out By Milky Way's Black Hole

Invisible to the naked eye, the Bubbles span about 50,000 light-years across and scientists weren't sure where they came from.

But a recent study found they may have come from Sagittarius A*.