SPIN】The earth spins as it moves around the sun.

地球在绕着太阳公转时也自传。

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The spin of the Earth provides an extra push.

地球的自转提供了额外的推力。

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And they found that after circling the Earth some 5000 times the gyroscopes' Angle of spin had changed, ever-so-slightly, in response to the Earth's gravitational pull.

他们发现在围绕着地球旋转了大约5000次之后，作为对地球引力的响应，陀螺仪的旋转角发生了极其微小的改变。

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But those lower-energy X-rays can be further distorted by layers of gas between the black hole and the Earth, and previous spin observations have been contentious.

BBC: First glimpse of a black hole's spin

Now, new modelling reveals that if the Earth had a much faster spin before the impact, the theory fits the chemistry.

BBC: Moon formation: New spins put on old questions

There is no company on Earth that knows how to spin a negative story into good positive vibes better than Apple ( AAPL), and the company did it again on Friday.

FORBES: Apple Maps Apology: Tim Cook's Grand Slam