Astrophysicists with the Event Horizon Telescope (EHT) Collaboration have conducted test observations achieving the highest resolution ever obtained from the surface of the Earth, by detecting light from the centers of distant galaxies at a frequency of around 345 GHz. When combined with existing images of supermassive black holes at the hearts of Messier 87 and our Milky Way Galaxy at the lower frequency of 230 GHz, these new results will not only...
