Astronomers using three telescopes – APEX in Chile, SMA in Hawaii, and the Submillimeter Telescope in Arizona – have observed the heart of a distant quasar with unprecedented sharpness, two million times finer than human vision. An artist’s impression of the quasar 3C 279 (ESO / M. Kornmesser) The team was able to make the sharpest direct observation ever, of the center of a distant galaxy, the bright quasar 3C 279, which contains a...
