The Biggest Possible Black Hole – Sixty Symbols

From Sixty Symbols.

Dr Becky Smethurst discusses Ultra Massive Black Holes – more information and book links below ↓ ↓ ↓

A Brief History of Black Holes by Becky Smethurst (Amazon links)…

Becky’s website:
And her YouTube channel:

How Big Can a Black Hole Grow? by Andrew King:

Visit our website at
We’re on Facebook at
And Twitter at
This project features scientists from The University of Nottingham


Sixty Symbols videos by Brady Haran

Email list: