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    Hubblecast 70: Peering around cosmic corners

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    Hubble Space Telescope

    von Hubble Space Telescope

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    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): NASA, ESA, 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