Asteroid hitting earth

1

But there is no danger of the newly discovered asteroid hitting Earth , NASA said recently in a statement .

美国航天局在近日发表的一份声明中表示，这颗新发现的小行星没有撞击地球的危险。
2

Do you know that you are four times more likely to die from an asteroid hitting the earth than being struck by lightning ?

您知道您因陨石撞地球而死亡的机率比被闪电击毙高出四倍吗？
3

For example , there 's evidence of an asteroid or comet hitting the Earth and volcanic eruptions happening around the same time .

比如，某一次的行星撞击和火山爆发就很可能是同时发生的。