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Artwork, animation and illustrative material for Beck et al. (2011, DOI 10.1038/nature_106212)

 

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Description: Comparison of diameter and rotation rate of a redgiant to the sun.

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Image Credits: Paul G. Beck, KU. Leuven. 

 

Description: The fast rotating core becomes visible, when the convectibe envelope is removed. 

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Image Credits: Paul G. Beck, KU. Leuven. 

 

Description: This artist impression illustrates the rotation inside a red giant star. Such stars have radii of more than 5 times the radius of the Sun. Initially the outer layers, which are rotating very slowly, are shown. When these layers are hidden, the hot core of the star, which rotates 10 times faster than the surface, becomes visible. While the surface of this red giant needs about one year to complete a full revolution, it takes the core only a few weeks to rotate once. For better visual effect, the rotation rate is artificially increased. In the animation, 60 seconds correspond to an entire year in real time.

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  • Animation as AVI-file
  • Alternatively, you can set a link to our the movie on youTube.
  • You can embed the animation into your webpage by including this line of sourcecode:
    <iframe width="420" height="315" src="http://www.youtube.com/embed/ZYF3SoCtI0w?rel=0" frameborder="0" allowfullscreen></iframe>

 

Image Credits: Paul G. Beck, KU. Leuven.