Most comets that fly into the inner solar system seem to come from the outer region of the Oort cloud - a region of icy dust and debris left over from the birth of the solar system.
大部分飞入内太阳系的彗星似乎都来自奥特云的外部区域——奥特云是自太阳系诞生以来剩余的冰尘与残骸形成的区域。
The US space agency's (Nasa) Associate Administrator for space Operations, Bill Gerstenmaier, said it was the closest a debris object had ever come to the station.
NASA的太空作业首席助理Bill Gerstenmaier说，这是太空残骸最接近国际空间站的一次。
However, tracking data showed the debris would not come close enough to warrant an evacuation of the station, NASA said in a statement issued after the crew was given the all-clear signal.
然而，在空间站人员收到警报解除的信号之后，NASA发布了一份声明，称跟踪数据表明卫星碎片的距离不会接近到需要确保能进行空间站撤离的地步。
Comets lose ice and dust each time they come near the sun, leaving behind trails of debris.
彗星每次接近太阳时，都会将一部分冰和尘埃遗留在彗尾的遗迹中。
It suggests to Farihi that both the hydrogen and the heavy elements come from the same source - planetary debris - which would be most likely to hold hydrogen in the form of water.
这一事实向Farihi表明氢和重元素来自同一来源——行星残骸——其很有可能以水的形式保存氢。
So Farihi thinks that the trace elements must have come from another source: remnants of rocky planets, forming a ring of debris that slowly rains down on the white dwarf.
因此Farihi认为痕量元素肯定来自另一来源：岩石行星的残骸形成的碎屑环，慢慢地向白矮星掉落。
I'm just a damaged piece of debris, not sure myself, so what also don't know what to come off.
我只是一块残损的碎片，无法确定自己，所以也不知道该以何面目示人。
Judging by past experience, a few more pieces of debris will be cataloged in the days to come.
从以往经验看，一些更多的碎片将在今后几天内被发现。
It's disheartening to come out here and see all these Marine debris in this area that's otherwise so remote, debris that's washing up from other countries.
来到这里非常痛心地，看到所有这些在这个区来自于其他国家如此遥远的海洋残骸碎片。
The debris is projected to come within a half mile the space station on Tuesday.
这些碎片预计在周二与空间站的距离在半英里之内。
They come from the dusts in environment and wear debris by fretting.
污染物来自于环境中的尘土和微动磨损。
Researchers from Mexico's University of Guadalajara (UDG) have developed an algorithm that could come in handy in such situations by allowing robots to differentiate between people and debris.
从瓜达拉哈拉墨西哥的大学(udg)的研究人员已经开发了一种算法，可以派上用场在这种情况下，允许机器人人民和碎片区分开来。
Neil Comins (Astronomer): They probably would have covered hundreds of miles and then they would come back 13)scouring the land, taking debris from the surface of the Earth into the oceans.
尼尔·康明斯（天文学家）：那些海潮很可能冲入离岸数百英里的陆地，然后在退潮的时候，潮水冲刷着大地，把陆地表面的各种碎片卷到海里。
The explosions appear to have come from inside the buildings, with both the front and back Windows of the Ritz Carlton blown off, spreading glass and debris across the street.
爆炸似乎来自酒店内部，丽思卡尔顿酒店的前后窗均被炸掉，玻璃和碎片被炸到街道上。
But debris falls from space all the time, and big objects the size of UARS come down about once a year.
但是一直会有碎片从太空落下，并且每年将会有一个大小同uars接近的大物体落下。
But debris falls from space all the time, and big objects the size of UARS come down about once a year.
但是一直会有碎片从太空落下，并且每年将会有一个大小同uars接近的大物体落下。
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