The black hole and its shadow

Abstract

The most commented scientific image in 2019 was the image of M87*, the central supermassive black hole at the Messier 87 galaxy. From the Event Horizon Telescope's observation, we were able to see a black hole. Indeed, the famous image shows us the shadow of M87*. In this article, the concept of black hole shadow will be introduced as well as its importance to researches in gravitation and cosmology.

Keywords:
Black Hole; Shadow; General Relativity