Gigantic, mysterious structure in the center of Milky Way (Fermi Bubbles)

if it is bad, it's bad for someone else. We are off to the side of the fire hose, not in front of it.
 
Sagittarius A*, what have you been eating!?

Behold, the apotheosis of the Fart... Now Andromeda starts backing away...

if it is bad, it's bad for someone else. We are off to the side of the fire hose, not in front of it.
Yeah, anybody who lives way outside the galactic plane would probably already be, like... some kind of interstellar Grizzly Adams. "Hmm...Builds character."
 
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This thread always catches me by surprise, because whenever I read the title of "gigantic, mysterious structure in the Milky Way", I assume that someone's megaengineering project has been discovered. :P
 
Astronomy Now: Hubble dates black hole’s last big meal:

This illustration shows the light of several distant quasars piercing the northern half of the Fermi Bubbles, an outflow of gas expelled by our Milky Way galaxy’s hefty black hole. The Hubble Space Telescope probed the quasars’ light for information on the speed of the gas and whether the gas is moving toward or away from Earth. Based on the material’s speed, the research team estimated that the bubbles formed from an energetic event between 6 million and 9 million years ago. The inset diagram at bottom left shows the measurement of gas moving toward and away from Earth, indicating the material is traveling at a high velocity. Hubble also observed light from quasars that passed outside the northern bubble. The box at upper right reveals that the gas in one such quasar’s light path is not moving toward or away from Earth. This gas is in the disk of the Milky Way and does not share the same characteristics as the material probed inside the bubble. Credit: NASA, ESA, and Z. Levy (STScI)

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