Episode details

Available for over a year
The star, named S-301, travels at about 15,500 miles a second around a black hole. (Image: Getty)
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Available for over a year
The star, named S-301, travels at about 15,500 miles a second around a black hole. (Image: Getty)
Programme Website