Scientists plan to fire a spacecraft into an asteroid in an effort to prepare for one being on a direct collision course with Earth.

据英国《每日邮报》8月18日报道，有一颗小行星正行进在一条会与地球直接相撞的轨道上，为此科学家们计划将航天器发射至这颗行星。

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Hearing aid placed in a drying box night, don't put it in direct sunlight, should avoid high temperature, high humidity environment, try to avoid collision.

晚上把助听器放在装有干燥剂的盒子里，不要将其放在阳光直射的地方，应避开高温、高湿环境，尽量避免摔碰。

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Yet, upon further reflection, human impact on the planet is a direct analogue of the Cretaceous cometary collision.

然而进一步的说，人类对于地球的影响，完全相当于白垩纪的彗星撞击。

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If Apophis passes the earth at a distance of exactly 18, 893 miles it will open a "gravitational keyhole" causing it to enter a new orbit that would put it on a direct collision course with earth seven years later.

CNN: Space's threat to civilization