Still, we accept the phrase "dark energy" because it heretofore seemed to be closely related to dark matter, and it kinda sorta made sense to lump the concepts together.
But this, the "dark flow", is just taking things entirely too far. We can (now) clearly see the flow is occuring, though we do not know its cause. It, the flow, is hardly "dark." Only the cause is.
"It's as if Earth and Venus collided with each other," said Benjamin Zuckerman, UCLA professor of physics and astronomy and a co-author on the paper. "...Apparently, major catastrophic collisions can take place in a fully mature planetary system."
"If any life was present on either planet, the massive collision would have wiped out everything in a matter of minutes — the ultimate extinction event," said co-author Gregory Henry, an astronomer at Tennessee State University (TSU).
Have You Got It, Yet?
"Have You Got It, Yet?" is an unreleased song written by Syd Barrett during the short time in which Pink Floyd was a five-piece. At the time, David Gilmour had been asked to join as a fifth member and second guitarist, while Barrett, whose mental illness and difficult nature were creating issues with the band, was intended to remain home and compose songs, much as Brian Wilson had done for The Beach Boys.
Barrett's unpredictable behaviour at the time and idiosyncratic sense of humour combined to create a song that, initially, seemed like an ordinary Barrett tune. However, as soon as the others attempted to join in and learn the song, Barrett changed the melodies and structure, making it impossible for the others to follow, while singing the chorus "Have you got it yet?" This would be his last attempt to write material for Pink Floyd before leaving the band.
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