Closest Black Hole or no Black Hole at all…? (ESOcast 252)

One team found a black hole, the other challenged their results. This is the story of how they got together to find out who was right.

Credit:

ESO.

Directed by: Martin Wallner.
Editing: Herbert Zodet and Martin Wallner.
Web and technical support: Gurvan Bazin and Raquel Yumi Shida.
Written by: Martin Wallner, Anita Chandran, Juliet Hannay and Bárbara Ferreira.
Music: Stellardrone — Ethereal.
Footage and photos: ESO, L. Calçada, M. Kornmesser, H. Zodet, P. Horálek, Digitized Sky Survey 2, Space Engine (spaceengine.org), Liam Young, N. Risinger (skysurvey.org), C. Malin (christophmalin.com), S.E. de Mink, Roland Bacon, M. Zamani, José Francisco Salgado (josefrancisco.org), KU Leuven and S. Lowery.
Scientific consultants: Paola Amico and Mariya Lyubenova.