Black Hole
September 25, 2020
In April 2019, the Event Horizon Telescope produced the first-ever image of a black hole. The object, located in the center of the galaxy M87, was given the Hawai`ian name of Pōwehi. Its image appeared as a ring with a bright crescent edge, produced by photons orbiting around the black hole. To make these images, this unique telescope uses a […]
June 25, 2020
Using the UKIRT, Gemini North and Keck telescopes on Maunakea, and combining with observations from observatories in Chile (including Gemini South and Cerro Tololo Inter-American Observatory), astronomers have identified a quasar in the distant Universe, which is powered by a black hole about one and a half billion times as massive as our Sun. This quasar, the second most distant […]