-Technically-, the answer is 'neither', both Sun and Earth orbit a mutual center. It's just that this center is so close to the center of the sun, relatively speaking - thanks to the huge mass differential - that it makes no difference.
[/pedant]
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Sucrose Octanitrate.
Proof positive that with sufficient motivation, you can make anything explode.
[/pedant]
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Sucrose Octanitrate.
Proof positive that with sufficient motivation, you can make anything explode.