1. Blue planet HD 189733b around its host star (artist’s impression)

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    This illustration shows HD 189733b, a huge gas giant that orbits very close to its host star HD 189733. More information and download options: http://www.spacetelescope.org/videos/heic1312a/ Credit: NASA, ESA, M. Kornmesser

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    • A zoom to the star HD 189733

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      A zoom from Hubble orbiting 600 km above the Earth's surface towards the star HD 189733; flying through the asterism of the "Summer Triangle" and past the famous planetary nebula M27. More information and download options: http://www.spacetelescope.org/videos/heic0720b/ Credit: ESA/Hubble (M. Kornmesser & L. L. Christensen), A. Fujii, Robert Gendler, Digitized Sky Survey 2, Panther Observatory, Steve Cannistra, Michael Pierce, Robert Berrington (Indiana University), Nigel Sharp, Mark Hanna (NOAO)/WIYN/NSF.

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      • The Sun’s 11-year cycle

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        This video from the ESA/NASA SOHO (Solar and Heliospheric Observatory) satellite shows the Sun’s 11-year cycle of activity. Astronomers have recently observed a change in the atmosphere of exoplanet HD 189733b, which was observed losing over 1000 tonnes of gas per second. While they believe that a powerful stellar flare is the most likely explanation for the atmospheric evaporation, a longer, slower variation in stellar activity, similar to the 11-year sunspot cycle could also explain this. Credit: SOHO/EIT (ESA & NASA) More information and download-options: http://www.spacetelescope.org/videos/heic1209i/

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        • Sunrise on HD 189733b (artist’s impression)

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          This artist’s impression shows a viewpoint rising up through the atmosphere of exoplanet HD 189733b during sunrise. The colours of the blue sky and reddish star are caused by Rayleigh scattering, the same effect that produces blue skies and red sunsets on Earth. This effect is produced by haze in the upper atmosphere scattering blue light more efficiently than red. The colours in the video are derived from estimates by Frederic Pont (Exeter University, UK) and Alain Lecavelier des Etangs (IAP/CNRS, France), based on Hubble observations of HD 189733b’s atmosphere. Credit: NASA, ESA, M. Kornmesser, F. Pont (Exeter University, UK), A. Lecavelier des Etangs (IAP/CNRS/UPMC, France) More information and download-options: http://www.spacetelescope.org/videos/heic1209g/

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          • Stellar flare on HD 189733A (artist’s impression)

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            This artist’s impression shows a stellar flare on star HD 189733A, the parent star of exoplanet HD 189733b. In this video, the surface of the star, which is around 80% the mass of the Sun, is animated based on observations of the Sun from the Solar Dynamics Observatory. Credit: NASA, ESA, L. Calçada, Solar Dynamics Observatory More information and download-options: http://www.spacetelescope.org/videos/heic1209f/

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            • Atmosphere escaping an exoplanet (artist’s impression)

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              This artist’s impression depicts the upper layers of a planet’s atmosphere being driven off by the effects of the activity of the planet’s parent star. Credit: NASA, ESA, M. Kornmesser More information and download-options: http://www.spacetelescope.org/videos/heic1209h/

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              • Solar flare

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                This video from the Solar Dynamics Observatory shows a flare on our own star, the Sun. HD 189733b is a little smaller than the Sun, but more active, with more violent flares. Credit: NASA, Solar Dynamics Observatory More information and download-options: http://www.spacetelescope.org/videos/heic1209e/

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                • HD 1898733b transits its parent star (artist’s impression)

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                  In this animation, exoplanet HD 189733b is seen in closeup as it passes in front of its parent star. Hubble observed the planet do this in 2010 and 2011. This simulation depicts the 2010 observations, in which Hubble detected no sign of the planet’s atmosphere evaporating. In this video, the surface of the star, which is around 80% the mass of the Sun, is animated based on observations of the Sun from the Solar Dynamics Observatory. Credit: NASA, ESA, L. Calçada, Solar Dynamics Observatory More information and download-options: http://www.spacetelescope.org/videos/heic1209d/

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                  • Hubblecast 56: Dramatic change spotted on a faraway planet

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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. Find out how to view and contribute subtitles for the Hubblecast in multiple languages, or translate this video on dotSUB. 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/

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                    • HD 189733b transits its parent star during stellar flare (artist’s impression)

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                      from HubbleESA / Added

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                      In this animation, exoplanet HD 189733b is seen in closeup as it passes in front of its parent star. Hubble observed the planet do this in 2010 and 2011. This simulation depicts the 2011 observations, in which the planet’s atmosphere is evaporating away, possibly under the influence of a stellar flare. In this video, the surface of the star, which is around 80% the mass of the Sun, is animated based on observations of the Sun from the Solar Dynamics Observatory. Credit: NASA, ESA, L. Calçada, Solar Dynamics Observatory More information and download-options: http://www.spacetelescope.org/videos/heic1209c/

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