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Below are the episodes of the Jodcast (or segments) which match the keyword agn. You can continue searching by going back to the tag cloud.

• May 2007 Extra (MP3)
  This is the first of our new mid-month shows. First we get some breaking news from the Hubble Space Telescope, we listen to the second half of our interview with Carole Mundell about active galactic nuclei and supermassive black holes, and we put your questions to Tim in the Ask an Astronomer segment. For the extra shows we won't be having the normal format intros and outros but we still won't take them too seriously. As a start we work out how many rice crispies you could fit in the 76m diameter Lovell Telescope. Can you work it out?
• Interview with Dr Carole Mundell (Liverpool John Moores University) - May 2007 Extra (MP3)
  Nick Rattenbury talked to Carole Mundell about supermassive black holes in active galaxies. We find out that black holes aren't really great cosmic vacuum cleaners and allow some matter to escape their grasp and be hurled out in jets. Some of these jets even appear to be moving faster than light.
• January 2007 (MP3)
  Happy New Year and welcome to the first Jodcast of 2007. We start, as always, with a round up of the past month in astronomy. We talk to Martin Hardcastle about active galactic nuclei and radio galaxies (see the fantastic cover art by Aurore Simonnet for an idea of what they look like). We also gate-crashed a recent meeting about the proposed Square Kilometre Array (SKA) to find out what it is as well as finding out about the two proposed sites. We have no ask an astronomer this month but Ian is here to tell us what we can see in January's night sky. We also get a round up of interesting astronomy podcasts and set our first ever competition. You'll have to listen to find out what the question is!
• Interview with Dr Martin Hardcastle (University of Hertfordshire) - January 2007 (MP3)
  Nick talked to Martin Hardcastle about radio galaxies and active galactic nuclei (AGN). We find out what an AGN is, what makes the nucleus active and how different types of telescope can show us different parts of an AGN.
• Interview with Prof. Ian Robson (Friday 18th) - IAU General Assembly Special 2006 (MP3)
  Nick and Stuart rang up Prof. Ian Robson of the Astronomy Technology Centre (Edinburgh) who is at the IAU General Assembly. He told us about the plans for International Astronomy Year which were being discussed as we rang. He described the active galaxy sessions he has attended so far and the ones he wants to go to next week about supermassive black holes. Oh and, of course, we found out a bit more about the definition of a planet.