September 25, 2020

Event Horizon Telescope Captures Black Hole Changing over Time

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

Pōniuāʻena – A Quasar with a Monster Black Hole in the Early Universe

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 […]