ESOcast 77: Mysterious Ripples Found Racing Through Planet-forming Disc

Images from ESO’s Very Large Telescope and the NASA/ESA Hubble Space Telescope have revealed unique and totally unexpected structures in the dusty disc around the star AU Microscopii. These fast-moving wave-like dust features are unlike anything ever observed, or even predicted, before now.

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All ESOcasts

ESOcast 76: A Polarised View of Stellar Magnetism
ESOcast 75: ESO’s Top 10 Discoveries
ESOcast 73: Your ESO Pictures
ESOcast 72: Hluboký vesmír 3D
ESOcast 71: Nový systém pro hledání exoplanet na observatoři Paranal
ESOCast 70: Zelená Pro E-ELT
ESOcast 69: ALMA – revoluční záběr zachycuje vývoj planet
ESOcast 68: ESO Opens its Doors
ESOcast 67: ESO People at Work and Play
ESOcast 66: A Groundbreaking Event for the E-ELT
ESOcast 65: The Chilean Sky in Ultra High Definition
ESOcast 64: První systém prstenců kolem planetky
ESOcast 63: Flexible Giants — The Evolution of Telescope Mirrors
ESOcast 62: Objeveny tři planety ve hvězdokupě
ESOcast 61: Chile Chill 5 - Impressions from La Silla
Film 'ALMA – hledání našeho kosmického původu'
ESOcast 60: Polarizované světlo exoplanet
ESOcast 59: Chile Chill 4 - Images taken by the MPG/ESO 2.2-metre telescope
ESOcast 58: ALMA Discovers Comet Factory
ESOcast 57: Dalekohled ESO/VLT slaví 15 let úspěchů
ESOcast 56: Gentle Giants in the Desert
ESOcast 55: The ALMA Inauguration
ESOcast 53: Chile Chill 3
ESOcast 52/Chile Chill 2: It's Raining Stars — a video podcast by Gianluca Lombardi celebrating the Geminid meteor shower
ESOcast 51: Superpočítač v největší nadmořské výšce je připraven ke spuštění
ESOcast 50: Chile Chill 1
ESOcast 49: On Air – Behind the Scenes of “A Day in The Life of ESO” Live Webcast
ESOcast 48: Building Big — Special 50th anniversary episode #8
ESOcast 47: Finding Life — Special 50th anniversary episode #7
ESOcast 46: Catching Light — Special 50th anniversary episode #6
ESOcast 45: Reaching Out — Special 50th anniversary episode #5
ESOcast 44: Changing Views -- Special 50th anniversary episode #4
ESOcast 43: Seeing Sharp — Special 50th anniversary episode #3
ESOcast 42: Looking Up — Special 50th anniversary episode #2
ESOcast 41: Going South — Special 50th anniversary episode #1
ESOcast 40: When Speed Matters — Discovery of the Accelerating Universe Wins 2011 Nobel Prize for Physics
ESOcast 39: A Black Hole’s Dinner is Fast Approaching
ESOcast 38: Faraway Eris is Pluto’s twin
ESOcast 37: Full-size Mock-up of World's Largest Telescope Mirror Built at ESO's Open House Day
ESOcast 36: ALMA Opens Its Eyes
ESOcast 35: Fifty New Exoplanets
ESOcast 34: How To Stop a Star's Twinkle - The astronomy podcast exploring the cosmic frontier with Dr J
ESOcast 33: Under Chilean Skies
ESOcast 32: Most Distant Quasar Found
ESOcast 31: Pandora's Cluster
ESOcast 30: First Images from the VLT Survey Telescope -- VST and 268 megapixel OmegaCAM start work
ESOcast 29: Running a Desert Town
ESOcast 28: ESO Hidden Treasures Competition
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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.

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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.