A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...
A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...
Astronomers have uncovered evidence that the Milky Way is not drifting through space alone but is embedded in a vast, flat structure of dark matter stretching tens of millions of light-years. The ...
Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from ...