What makes a scientific discovery really important? It's partly down to how much scientists use the discovery in subsequent work -- but it’s also partly down to what inspires their imagination. In this episode, the Hubblecast talks to some leading astronomers about their favourite Hubble discovery. Meanwhile, our presenter, Dr J, struggles to make up his mind.

Credit:
ESA/Hubble
Visual design and editing: Martin Kornmesser
Filming: Herbert Zodet
Animations: Martin Kornmesser and Luis Calçada
Web and technical support: Lars Holm Nielsen and Raquel Yumi Shida
Written by: Oli Usher
Interviews by: Oli Usher
Presented by: Joe Liske (Dr J)
Music: movetwo
Directed by: Oli Usher
Executive producer: Lars Lindberg Christensen

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