Question

What are accretion disks?

Answer 1

$<b><I>Often Found around a Star or a Black hole, an accretion disk is an object formed by diffuse material in orbital motion aorund a massive body. The Central Body is typically a body.$

These disks are also known as quasars and can also act as a Source of Energy. Materials such as gas, dust and other seller debris that come Close to a Black Hole but do not fall into it, Forms an Flattened band of spinning matter around the Event horizon. Although, The Event Horizon can't be seen but disks are actually quite visible because of their Tremendous speeds by the Huge Gravity of Black Hole, Releasing Heat and The Mighty Gamma Rays Which are Considered to be one of the Brightest events in the Universe.