With 95% of the content of the universe being dark, we ask Jochen Weller about dark energy and models that describe the expansion of the universe [16:28 - 31:17]. As usual we also get the latest news from Megan [02:09 - 10:28] and find out what you can see in the night sky from Ian [33:24 - 43:36].
Time-Lapse Movie Of Crab Pulsar Wind
Show Links
The news - July 2008
- MP3: Download this segment individually (low and high bandwidth versions)
- NASA: GLAST Safely in Orbit, Getting Check-ups
- NASA's GLAST spacecraft
- GLAST site at Stanford
- Nature: Three-of-a-kind planets found
- ESO: A harvest of low-mass exoplanets discovered with HARPS
- Exoplanet Encyclopedia
- Imperial College: Scientists confirm that parts of earliest genetic material may have come from the stars
- Scientific Blogging: Confirmed - Genetic Material In Meteorites Is Extraterrestrial In Origin
- Martins et al., "Extraterrestrial nucleobases in the Murchison meteorite", Earth and Planetary Science Letters, Volume 270, Issues 1-2, 15 June 2008, Pages 130-136
- Wikipedia: Murchison meteorite
- Caltech: LIGO Observations Probe the Dynamics of the Crab Pulsar
- Wikipedia: Crab Pulsar
- IAU: Plutoid chosen as name for Solar System objects like Pluto
- IAU: Pluto and the Developing Landscape of Our Solar System
- Wikipedia: Definition of a Planet
Interview with Dr Jochen Weller (UCL)
- MP3: Download this segment individually (low and high bandwidth versions)
- Jodcast NAM 2008: Interview with Prof Brian Schmidt (Australian National University) about supernovae observations
- Jodcast October 2008 Extra: Interview with Donna Kubik (Fermilab) about the Dark Energy Survey
- Hubblesite: Dark Energy
- The Dark Energy Survey
- HETDEX: What is dark energy?
- Jochen Weller's homepage
The night sky for July 2008
- MP3: Download this segment individually (low and high bandwidth versions)
- Ian Morison's Night Sky pages for June 2008
- M13 (NGC 6205) globular cluster in Hercules
- Brocchi's Cluster (The Coathanger)
- Wikipedia: Albireo
Show Credits
| News: | Megan Argo |
| Interview: | Dr Jochen Weller and Nick Rattenbury |
| Night sky this month: | Ian Morison |
| Presenters: | Stuart Lowe and Nick Rattenbury |
| Editors: | Roy Smits and Nick Rattenbury |
| Intro/outro script: | David Ault |
| Intro/outro voices: | Nigel Banyard, Alexa Chipman and David Maciver provided the screams, and David Ault was The Doctor |
| Website: | Stuart Lowe |
| Cover art: | Jelly beans as an analogy for the content of the universe. The colored beans represent ordinary matter. Credit: Fermilab |