cosmology

#298      30 min 16 sec
Curve your expectations: Observing planets and galaxies with the help of gravity

Dr Bart Pindor

Cosmologist Dr Bart Pindor explains gravitational lensing, in which the curvature of space by gravity allows us to investigate galaxies and other astral bodies. Presented by Dr Shane Huntington.

#240      28 min 55 sec
Mass nebulous: Our evolving understanding of dark matter

Dr Katherine Mack

Cosmologist Dr Katherine Mack delves into the mysteries of dark matter, examining the evidence and scrutinizing current explanations of the phenomenon. Presented by Dr Shane Huntington.

#204      30 min 57 sec
Particles of doubt: What if it wasn't the Higgs boson?

Dr Serguei Ganjour
Dr Martin White

Physicists Dr Serguei Ganjour and Dr Martin White delve into the details around the "likely" discovery of the Higgs boson and discuss the uncertainties that still surround the newly observed particle. They ask what it means for our understanding of the universe and of physics if it turns out not to be the Higgs. Presented by Dr Shane Huntington.

Episode 159      34 min 13 sec
Lawrence M. Krauss: Before and after the Universe

Prof Lawrence M. Krauss

Theoretical physicist Professor Lawrence M. Krauss discusses how investigating dark matter can shed light on the geometry of our universe, and what this means for our understanding of its origins and demise. With Science host Dr Shane Huntington.

Episode 67      29 min 32 sec
400 Years of Astronomical Telescopes

Prof Rachel Webster

Astrophysicist Prof Rachel Webster discusses the evolution of the astronomical telescope - from Galileo's version in 1609 to the iconic Hubble space telescope, and then onto a sneak peek of the upcoming James Webb space telescope which will be parked so far from earth that it can't be repaired. Every improvement to the telescope has extended our understanding of the universe around us. 2009 is both the International Year of Astronomy and the 400th anniversary of Galileo's astronomical telescope. With host Dr Shane Huntington.

Episode 45      21 min 54 sec
21st Century Cosmology

Prof Rachel Webster

Prof Rachel Webster takes us into the future of cosmology in a quest to discover our universe's past. With Science host Dr Shane Huntington.