Sometimes a meteor would rather do, go only a short moment, but can be docked to the heart, across the long trajectory, so that as the eternal moment, no regrets.

有时，宁愿做一颗流星，来去只是短短的一瞬，却可以停驻心间，划过长长的轨迹，让刹那化为永恒，无怨无悔。

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Using amateur video footage, they were able to plot the meteor's trajectory through Earth's atmosphere and then reconstruct its orbit around the Sun.

BBC: Russia meteor's origin tracked down

To reconstruct the meteor's original orbit around the Sun, they used six different properties of its trajectory through Earth's atmosphere.

BBC: Russia meteor's origin tracked down