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@ScienceTip | |||||
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Gravitational attraction of stars and cows johndcook.com/blog/2018/03/2… pic.twitter.com/UTsARaoNYS
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@ScienceTip | |||||
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Gravitational attraction of stars and cows johndcook.com/blog/2018/03/2… pic.twitter.com/UTsARaoNYS
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