ESOcast 78: Airglow

ESO’s La Silla Observatory on a moonless night, deep in the Atacama Desert of Chile. It should be very dark -- but strange green and red colours can be seen to shimmer in the sky. What are these mysterious glows? And why do they seem to be getting more frequent? Find out more in this episode.

More information and download options

All ESOcasts

ESOcast 76: A Polarised View of Stellar Magnetism
ESOcast 72 – Att se djupt in i universum i 3D
ESOcast 71: Nya teleskop vid Paranal ska jaga exoplaneter
ESOCast: 70: Grönt ljus för att bygga E-ELT
Zooma in mot HL Tauri
ESOcast 64: Första ringsystemet runt en asteroid
ESOcast 62: Tre planeter hittade i stjärnhop
Filmen ALMA - In Search of our Cosmic Origins (På jakt efter våra kosmiska ursprung)
ESOcast 60: A Polarised View of Exoplanets
ESOcast 58: ALMA upptäcker en kometfabrik
ESOcast 57: ESO:s VLT firar 15 framgångsrika år
ESOcast 55: invigning av ALMA
ESOcast 51: Startklart för världens högst belägna superdator
Visar 1-50 av 78

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)


iTunesESOcast SD in iTunes

Digital PodcastESOcast SD in Digital Podcast


High Definition (1280 x 720)


iTunesESOcast HD in iTunes

Digital PodcastESOcast HD in Digital Podcast

Podcast PupESOcast HD in Podcast Pup


The ESOcast is also available on:

Youtube Vimeo Dotsub


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.