ESOcast 123 Light: Best Ever Image of a Star’s Surface and Atmosphere (4K UHD)
Using ESO’s Very Large Telescope Interferometer astronomers have constructed the most detailed image ever of a star — the red supergiant star Antares. They have also made the first map of the velocities of material the atmosphere of a star other than the Sun, revealing unexpected turbulence in Antares’s huge extended atmosphere.
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.
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Who is Dr. J?
Dr. J is a German astronomer. His scientific interests are in cosmology, particularly on galaxy evolution and quasars. Dr. J's real name is Joe Liske and he has a PhD in astronomy.