I would like to plot a sphere $x^2+y^2+z^2=4$ by revolving a circle $x^2+y^2=4$ with respect to diameter. The whole revolution process will be shown by animation. How can I do this?
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I would like to plot a sphere $x^2+y^2+z^2=4$ by revolving a circle $x^2+y^2=4$ with respect to diameter. The whole revolution process will be shown by animation. How can I do this?
 
                
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