Nine tenths of the matter in the Universe is thought to be dark matter — consisting of microscopic elementary particles or macroscopic black holes. A proposal to measure the gravitational effects of this mysterious matter on light from distant supernovae, may help distinguish between different types of dark matter.
机构:
Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Golm, GermanyMax Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Golm, Germany