I will be appearing live on episode 8 of Internet radio programme Under British Skies, on Astronomy.FM radio.

I’ll be talking about my recent books The Big Questions: The Universe, The Sun Kings and giving you an insight into my next books Voyager and The Sky's Dark Labyrinth.  You can listen in by clicking here at 20:00 GMT/UT (21:00 BST!).

As well as the interview, I’ll be answering questions from you.  You can email questions to This email address is being protected from spambots. You need JavaScript enabled to view it. or tweet them to @UnderBritishSky. Look forward to hearing from you on Sunday.