“Something big is out there beyond the visible edge of our universe. That’s the conclusion of the largest analysis to date of over 1000 galaxy clusters streaming in one direction at blistering speeds. Some researchers say this so-called ‘dark flow’ is a sign that other universes nestle next door,” writes the New Scientist. “Last year, Sasha Kashlinsky of the Goddard Space Flight Center in Greenbelt, Maryland, and colleagues identified an unusual pattern in the motion of around 800 galaxy clusters. They studied the clusters’ motion in the ‘afterglow’ of the big bang, as measured by the Wilkinson Microwave Anisotropy Probe (WMAP). The photons of this afterglow collide with electrons in galaxy clusters as they travel across space to Earth, and this subtly changes the afterglow’s temperature.” Could this be evidence of a parallel universe?
"I grew up in New Jersey in the 1970s and that experience gave me everything I needed to become a skeptic."
The paper does not prove the existence of dark matter, but it mostly eliminates a rival theory called Modified Newtonian Dynamics.
How to figure out the right amount of time for any project.