Page last updated at 08:51 GMT, Tuesday, 3 November 2009

What are black holes made of?

Advertisement

Leading physicists attempt to answer the question: "What are black holes made of?"

Those questioned include Professors Andrew Strominger, Michio Kaku, Lawrence Krauss, Max Tegmark, Ramesh Narayan and Douglas Leonard.

Horizon: Who is afraid of a big black hole is on BBC Two at 2100 BST on Tuesday 3 November or watch afterwards at BBC iPlayer .

SEE ALSO

Story Tools

BBC navigation

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.

Americas Africa Europe Middle East South Asia Asia Pacific