• MP3 - the whole show
  [Duration 39:43, 18.2 MB]
• MP3 - Interview with Dr Dave Jauncey and Dr Ken Kellermann
  [Duration 13:55, 6.4 MB]
• MP3 - The Jodrell Bank Illuminate art event
  [Duration 12:18, 5.6 MB]
• MP3 - Ask an astronomer - Jupiters, Illumination and Galaxy Collisions
  [Duration 08:40, 4.0 MB]

Review us

Have you listened to the Jodcast? If so, we would love it if you would review the Jodcast on iTunes.

The Jodcast is supported by:

December 2007 Extra

In the last Jodcast of 2007 Ken Kellermann and Dave Jauncey tell us about the discovery of quasars, particularly the lunar occultations of 3C 273 in the early 1960s. Jodcast newcomer Roy Smits gives us a summary of the Jodrell Bank Illuminate Art event and we ask your astronomical questions to Dr Edward Boyce.

• December 2007 Extra MP3: Download the whole show (low and high bandwidth versions)
• Douglas Adams
• the Hitchhiker's Guide to the Galaxy (BBC)
• The size of asteroid Ianmorison can be found here

Interview with Dr Dave Jauncey and Dr Ken Kellermann

At the Manchester Modern Radio Universe Stuart caught up with Dr Dave Jauncey (CSIRO) and Dr Ken Kellermann (NRAO). They tell the story of the lunar occultation and interferometry observations of radio objects such as 3C 273 (amongst others) during the 1960s. They explain how the object was identified with optical images to show that it was a very distant galaxy - a quasar.

• Interview with Dr Dave Jauncey and Dr Ken Kellermann MP3: Download this segment individually (low and high bandwidth versions)
• Wikipedia: 3C 273
• Parkes Radio Telescope
• "Redshift of the Radio Source 3C 48", Greenstein, Jesse L.; Matthews, Thomas A., Astronomical Journal, Vol. 68, p. 280 (1963)
• "3C 273: A Star-Like Object with Large Red-Shift", Schmidt, M., Nature, Volume 197, Issue 4872, pp. 1040 (1963)
• "The Quasi-Stellar Radio Sources 3c 48 and 3c 273", Greenstein, Jesse L.; Schmidt, Maarten, Astrophysical Journal, vol. 140, p.1 (1964)

3C 48

The Jodrell Bank Illuminate art event

Roy Smits brings us a summary of the Jodrell Bank Illuminate Art event (funded by the Royal Academy of Engineering's Ingenious programme) which took place over November and December. Roy talks to young rocketeers, talks to event organiser Dr Alastair Gunn and describes the winning art work projections for the radio. If you're listening carefully you may also spot the Jodcast's Megan launching a Clanger.

• The Jodrell Bank Illuminate art event MP3: Download this segment individually (low and high bandwidth versions)
• Illuminate Art Competition: Winners Announced
• Royal Academy of Engineering's Ingenious programme
• The Clangers
• The mythology surrounding the constellations of Andromeda, Cassiopeia, Cepheus, Cetus, Perseus and Pegasus

Ask an astronomer - Jupiters, Illumination and Galaxy Collisions

Nick puts listener questions to Dr Edward Boyce. Tom Hudson asks why we can't observe Jupiter-like extra solar planets using radio telescopes and also asks how much of the Earth's surface the Sun can illuminate at any one time. Stephen Uitti asks if the gas in galaxies forms stars during collisions. Stephen also wants to know if the interstellar medium (ISM) is replenished by stellar winds and supernovae.

• Ask an astronomer - Jupiters, Illumination and Galaxy Collisions MP3: Download this segment individually (low and high bandwidth versions)
• LOFAR
• Murchison Widefield Array (MWA)
• Long Wavelength Array

Ring Galaxy AM 0644-741 from Hubble CREDIT: Hubble Heritage Team (AURA / STScI), J. Higdon (Cornell) ESA, NASA

APoD NGC 4676: When Mice Collide CREDIT: ACS Science & Engineering Team, NASA

Show Credits