Solar System-Scale VLBI
Matthew McQuinnUniversity of Washington, Seattle Measurements of the distance to extragalactic sources allow us to infer the major energy constituents of our Universe. Two decades ago such measurem...

Source: NASA
Matthew McQuinnUniversity of Washington, Seattle Measurements of the distance to extragalactic sources allow us to infer the major energy constituents of our Universe. Two decades ago such measurements revealed that most of the energy in the Universe is in `dark energy’ — a discovery that has had immense implications for fundamental physics. Currently there is […]