This is cool:
As if the mysteries of dark matter and dark energy weren't vexing enough, another baffling cosmic puzzle has been discovered.
Patches of matter in the universe seem to be moving at very high speeds and in a uniform direction that can't be explained by any of the known gravitational forces in the observable universe. Astronomers are calling the phenomenon "dark flow."
The stuff that's pulling this matter must be outside the observable universe, researchers conclude.
...
Scientists discovered the flow by studying some of the largest structures in the cosmos: giant clusters of galaxies. These clusters are conglomerations of about a thousand galaxies, as well as very hot gas which emits X-rays. By observing the interaction of the X-rays with the cosmic microwave background (CMB), which is leftover radiation from the Big Bang, scientists can study the movement of clusters.
The X-rays scatter photons in the CMB, shifting its temperature in an effect known as the kinematic Sunyaev-Zel'dovich (SZ) effect.
I have a kinematic Sunyaev-Zel'dovich effect - in my pants!
As if the mysteries of dark matter and dark energy weren't vexing enough, another baffling cosmic puzzle has been discovered.
Cool! It's awesome how much stuff we don't know about the Universe.
The stuff that's pulling this matter must be outside the observable universe, researchers conclude.
So we're all inside one of those magnetic "draw a mustache on the bald guy" games, and now we're seeing the clumps of iron filings being moved around by the magnetic wand?
Patches of matter in the universe seem to be moving at very high speeds and in a uniform direction that can't be explained by any of the known gravitational forces in the observable universe. Astronomers are calling the phenomenon "dark flow."
The stuff that's pulling this matter must be outside the observable universe, researchers conclude.
It's the Speed Force! Talk to The Flash.
So we're all inside one of those magnetic "draw a mustache on the bald guy" games, and now we're seeing the clumps of iron filings being moved around by the magnetic wand?
Yeah. Except it's not a mustache.
Oh, this is wrong like a wrong thing: [link]
Not
actually
unsafe for work, despite the designers best efforts.
So we're all inside one of those magnetic "draw a mustache on the bald guy" games, and now we're seeing the clumps of iron filings being moved around by the magnetic wand?
Not really that exotic, it's just stuff responding to matter that is too far away to see. This sounds like just confirmation of what was already suspected, that there is a lot more Universe that what we can observe.