Supermassive black hole dust is denser than we thought
 

The majority of galaxies have a supermassive black hole at their core. And, like our own Milky Way version, most of these black holes are relatively quiet. However, a minority of supermassive black holes are incredibly active, consuming dust, gas, an...

https://www.engadget.com/2017/06/19/...le-dust-dense/