AUSTIN, TEXAS — In the vastness of space, how far is far? That question has simmered in G. Fritz Benedict’s mind since he was 8, when a family friend took him into the backyard of his home and pointed ...
Astrometry at centimeter wavelengths using Very Long Baseline Interferometry is approaching accuracies of ∼1 μas for the angle between a target and a calibrator source separated by ≲1° on the sky. The ...