SpaceWe see neutrinos from the big bang in the way galaxies cluster Just after the big bang, waves of neutrinos and other matter raced across the cosmos. Those neutrinos reached forward in time to dictate where galaxies form now ¿ìè¶ÌÊÓÆµ
PhysicsDark radiation may fix our broken understanding of the universe We have two ways to measure the accelerating expansion of the universe, but they don’t line up. If dark matter gives off radiation, it could make them agree ¿ìè¶ÌÊÓÆµ