Image for How big is the biggest star?

How big is the biggest star?

Duration: 00:37

We took a selection of questions about space and worked with groups of young people from various schools, using the expertise of the BBC Lab in Salford, to produce these clever animations.

Dr Tim O’Brien – Associate Director of Jodrell Bank Observatory and Reader in Astrophysics at the University of Manchester

Available since: Thu 12 Jan 2012

This clip is from

Series 2

Dara O Briain and Professor Brian Cox return to celebrate the wonders of our night sky.

Image for Series 2

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.

Added. Check out your playlist Dismiss