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    Hubblecast 56: Dramatic change spotted on a faraway planet

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    Hubble Space Telescope

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    In this episode of the Hubblecast, Dr J (aka Dr Joe Liske) presents the latest discovery about HD 189733b, an exoplanet that has been repeatedly studied by Hubble.

    Observations taken in 2011 using Hubble and the Swift satellite showed a flare from the planet’s parent star scorching the upper atmosphere and driving it off into space.

    This is the first time that clear change has been observed in an exoplanet’s atmosphere. The observations give a tantalising glimpse of changing weather on planets outside our Solar System.

    Credit:
    ESA/Hubble
    Visual design and editing: Martin Kornmesser
    Web and technical support: Raquel Yumi Shida and Mathias André
    Written by: Oli Usher
    Animations: Luis Calçada, Martin Kornmesser
    Narration: Dr J (Joe Liske)
    Solar videos: NASA, ESA, Solar Dynamics Observatory, SOHO/EIT (ESA & NASA)
    Music: John Stanford from Deep Space
    Directed by: Oli Usher
    Executive producer: Lars Lindberg Christensen

    More information and download-options:
    http://www.spacetelescope.org/videos/heic1209a/