A hole in the dust disk surrounding our solar system would tell alien observers there are planets here, a new simulation shows.

一项最新的模拟实验表明，围绕太阳系的尘埃盘中存在一个空洞，利用这个空洞可以向外星观察者发出信号，告诉它们这里有行星存在。

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After pulling off the ices, the gravity of Saturn would have doomed the moon's silicate core, tugging it closer and closer until it smashed into the planet, the simulation shows.

模拟显示，在冰层脱离之后，土星的引力将导致这颗卫星的硅酸盐核心的毁灭，将它越拉越近，最终撞向这颗行星。

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Computer simulation shows that the method is practicable.

计算机模拟结果表明，此法是切实可行的。

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Sinai ran a simulation for Forbes that shows how the stock market swinging one way or another would affect major economic indicators.

FORBES: The Underappreciated Impact Of Stocks On The Economy

The simulation constructed from the plane's data recorder shows the 757 making a U-turn over Ohio, as Jarrah heads the plane southeast, toward Washington, D.

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