Does this planet have a “sibling” sharing the same orbit? (ESOcast 263 Light)

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have found the possible ‘sibling’ of a planet orbiting a distant star. This video summarises the discovery. Credit: ESO Directed by: Angelos Tsaousis and Martin Wallner. Editing: Angelos Tsaousis. Web and technical support: Gurvan Bazin and Raquel Yumi Shida. Written by: Claudia Sciarma and Tom Howarth. Music: Stellardrone — Twilight. Footage and photos: ESO / L. Calçada, M. Kornmesser, Angelos Tsaousis, C. Malin ( ), ALMA (ESO/NAOJ/NRAO)/UHD Team/Balsalobre-Ruza et al. Scientific consultant: Paola Amico, Mariya Lyubenova. More information and download options: