
Artist’s rendering of a galaxy with a bright quasar at its center
NASA, ESA and J. Olmsted (STScI)
Spacetime, the so-called fabric of physical reality, can be made of small, discrete pieces sewn together. A preliminary study of the way matter orbits quasars suggests that we may find evidence of this cosmic quilt in the outermost regions of the universe.
Much of our understanding of the composition of our universe comes from studying matter on ever smaller scales. Think fluids, he says Jonathan Gorard…