Browsing: Event Horizon Telescope

The Event Horizon Telescope (EHT) is a global network of radio telescopes that collaborates to create a planet-sized interferometer capable of measuring the properties of black holes. By synchronizing facilities across the world, including telescopes in Hawaii, Spain, and Antarctica, the EHT utilizes a technique known as very-long-baseline interferometry (VLBI) to achieve the high resolution necessary to observe objects at black hole event horizons. This project gained worldwide attention in April 2019 when it produced the first-ever image of a black hole, specifically the supermassive black hole in the galaxy M87. This historic image, showing a bright ring formed as light bends in the intense gravity around a dark region (the shadow of the black hole), confirmed many theoretical predictions about the nature of black holes and marked a significant achievement in the field of astrophysics. The EHT continues to refine its imaging techniques and expand its network, aiming to provide even more detailed insights into the dynamics and environment surrounding black holes.