Meteoroids become meteors when they enter our atmosphere and meteorites when they hit the ground.

流星进入地球大气层时会变成流星，撞击地面时变成石。

Those are the meteors, not to be confused with meteoroids or meteorites.

那些就流星，要和流星体或石搞混。

Meteorites are rocks from space that have hit the ground and we have recovered.

“Meteorites（石）”我们已经找到的，从太空撞到地面的岩石。

Scientists believe it was just a meteor not a meteorite.

科学家认为这只个流星，而石。

However, a significant number of moon quakes can't be attributed to meteorites.

然而，相当数量的月球地震归因于石。

He reached this conclusion after studying a meteorite.

这他研究石后达成的结论。

Early speculation ran wild, from meteorites and stray missiles to even UFOs and aliens.

早期的猜测可谓天马行空, 从石，流浪导弹甚至再到明飞行物及外星人。

And the composition of that meteorite, is very consistent with the composition of Baptistina.

那个石的成分，与巴蒂斯缇娜其实非常致。

We get questions here all the time about comets, asteroids, meteors, meteorites. What's the difference?

我们对彗星、小行星、流星和石直存在疑问，它们有什么同？

But less predictable is the risk of being hit by a meteorite.

但和遭遇颗石撞击的风险相比显然要低些。

In 2019, a meteorite struck a doghouse in Costa Rica.

2019年，颗石砸到了位于哥斯达黎加的座狗舍。

The stone called lonsdaleite came here on a meteorite.

这种叫做朗斯代尔石的石头来自于这里的石。

And in these meteorites there were from 60 to 80 amino acids.

在这些石中有60到80个氨基酸。

But the meteorite Peary took is still there.

但皮里带来的石仍然在那里。

As it rolled on, Opportunity came across a meteorite, its lithology distinctively un-Martian.

随着“机遇号”继续前进，它遇到了颗石，其岩性与火星截然同。

And finally, if it hits the ground, we call it a meteorite.

最后，如果它撞到了地面，我们就称之为石。

In 2007, those map lichens survived atmospheric re-entry on a simulated meteorite.

2007 年的那些地图地衣在模拟石和大气再入中幸存下来。

Hayabusa2's new mission aims to study possible ways to prevent large meteorites from hitting Earth.

隼鸟2号的新任务旨在研究防止大型石撞击地球的潜在方法。

The purchase also includes a set of glasses and a corkscrew made from a meteorite.

这次拍卖还包括套眼镜和个由石制成的开瓶器。

We get questions here all the time about comets asteroids and meteors, meteorites.

我们总收到很多有关彗星、小行星、流星，石的问题。