Hubblecast 70: Peering around cosmic corners

Last month saw the inauguration of a new Hubble observing program: Frontier Fields. This will use the powerful magnifying properties of massive galaxy clusters to peer even deeper into the space around us. Hubblecast 70 takes a look at this phenomenon — known as gravitational lensing — exploring how it works, and how it can help us to uncover the secrets of the very distant Universe.

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Directed by: Nicola Guttridge
Visual design and editing: Martin Kornmesser
Written by: Nicola Guttridge & Georgia Bladon
Presented by: Joe Liske (Dr J)
Narration: Sara Mendes da Costa
Images and animations: ESA/Hubble, NASA, Martin Kornmesser

  • Clips from Hubble IMAX 3D video “Hubble: Galaxies Across Space and Time”. Credit: NASA, ESA and F. Summers (STScI)
  • The Hubble Deep Fields
  • Milky Way animation, gravitational lens animations: M. Kornmesser
  • Gravitational lensing in action: NASA, ESA & L. Calçada
  • Image of Abell 383 (heic1106a): NASA, ESA, J. Richard (CRAL) and J.-P. Kneib (LAM). Acknowledgement: Marc Postman (STScI)
  • Image of Abell 1689 (heic1317a): NASA, ESA, the Hubble Heritage Team (STScI/AURA), J. Blakeslee (NRC Herzberg Astrophysics Program, Dominion Astrophysical Observatory), and H. Ford (JHU)
  • Abell 370 (heic0910b): NASA, ESA, the Hubble SM4 ERO Team and ST-ECF
  • Abell 2218 (heic0814a): NASA, ESA, and Johan Richard (Caltech, USA). Acknowledgement: Davide de Martin & James Long (ESA/Hubble)
  • RCS2 032727-132623 (opo1208a): NASAESA, J. Rigby (NASA Goddard Space Flight Center), K. Sharon (Kavli Institute for Cosmological Physics, University of Chicago), and M. Gladders and E. Wuyts (University of Chicago)
  • Images of Einstein rings (heic0806): NASA, ESA, C. Faure (Zentrum für Astronomie, University of Heidelberg) and J.P. Kneib (Laboratoire d'Astrophysique de Marseille)
  • Images of double ring (heic0803): NASA, ESA, R. Gavazzi and T. Treu (University of California, Santa Barbara), and the SLACS team
  • Gravitational telescope creates space invader mirage (heic1304). NASA & ESA. Acknowledgement: N. Rose
  • Hubble captures a 'five-star' rated gravitational lens (heic0606): European Space Agency, NASA, Keren Sharon (Tel-Aviv University) and Eran Ofek (CalTech)

Music: John Stanford (
Web and technical support: Mathias Andre and Raquel Yumi Shida
Cinematography: Peter Rixner (
Executive producer: Lars Lindberg Christensen

About the Video

Release date:6 December 2013, 15:00
Related announcements:ann1313
Duration:07 m 42 s

About the Object

Type:• Early Universe : Galaxy : Type : Gravitationally Lensed



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