ESOcast 40: When Speed Matters - Discovery of the Accelerating Universe Wins 2011 Nobel Prize for Physics
In the past two decades, astronomers have made a truly revolutionary discovery: that the cosmos is not only expanding, but is doing so at an ever-faster rate. The discovery of the accelerated expansion of the Universe was awarded the 2011 Nobel Prize in Physics.

ESOcast is a video podcast series dedicated to bringing you the latest news and research from ESO – Astronomy made on planet Earth. Here we explore the Universe's ultimate frontier with our host Doctor J, a.k.a. Dr. Joe Liske.
The ESOcast is offered for download in several formats: standard (.mov, .mpeg, .mp4, .m4v) and HD (High Definition). HD is rapidly evolving into one of the leading video formats in the video on-demand market. Information on the specs of the available video formats is accessible on the Video Formats Page.
ESOcast HD videos can be watched on TV by the use of digital media receivers such as Apple TV.
Standard Definition (640 x 480)
High Definition (1280 x 720)
The ESOcast is also available on:

ESOcast SD
ESOcast SD in Digital Podcast
ESOcast HD in EPN
ESOcast HD in Podcast Pup