asteroid

It came out of the clear, blue sky - just like an asteroid.

这[消息]是从晴朗的蓝天而来-如一颗小行星般。

A small fraction of the rocks blasted off Mars by asteroid or comet impacts could have reached Earth in just a few years.

小行星或彗星在撞击火星时，所轰出的岩石之中，有少数可以在仅仅数年之内就抵达地球。更详细。

Noise proves nothing. Often a hen who has merely laid an egg cackles as if she had laid an asteroid.

噪声不能证明什么。母鸡产下一只蛋，往往大声啼叫，好像产下小行星似的。

The spacecraft hovers near the asteroid, with its thrusters angled outwards so that the exhaust does not impinge on the surface.

太空船靠近小行星盘旋，它角度向外的使用它矫正舱身的火箭排气，不直接撞击小行星表面上。

That means an asteroid made of iron or frozen water suddenly becomes a resource that can be mined and used for space exploration.

那意味着一颗由铁或冻结的水组成的小行星突然成为一种可以为探索宇宙而开采和使用的资源。

A carefully selected asteroid with the right density and strength could be hollowed out for an underground base to be established.

一个精心挑选合适的小行星密度和力量可以挖了一个地下基地。

The advantage of such a "gravitational tractor" , as Dr Lu has dubbed it, is that it is more likely to leave the asteroid intact.

鲁博士将其称之为“重力牵引器”，其优势在于极有可能将小行星完好无损地撵走。

Before the terrorist attacks on the US, this number was also attached to a type of porsche and a trojan asteroid that orbits the sun.

在美国遭遇恐怖袭击前，911就已经是保时捷的一个系列了，环绕太阳轨道运行的特洛伊小行星轨道号。

It (an asteroid) dust up into the atmosphere, and the dust stayed there for so long that the vegetation died off and the dinosaurs with it.

它（小行星）使尘埃冲上大气层，久久地笼罩着天空，植物死去了，恐龙也都灭绝了。

If that asteroid were to suddenly become as big as a moon, it would indeed rearrange itself gradually into a sphere.

如果一个小行星突然变得和月亮那么大，那它将会逐渐重新调整自己最终成为一个球型。

As I'm sure you know, we found that there was a moon orbiting around an asteroid, first time ever that was suspected.

我相信你知道我们已经观测到一个月亮正在围绕一个小行星运转。

Its position in the sky makes it a so-called Trojan asteroid - a type previously detected only at Jupiter, Neptune and Mars.

它在天空的位置使其被称为特洛伊小行星——此前仅在木星、海王星和火星探测到的一种类型

Astronomers have long thought that the asteroid belt is being ground down through collisions, but such a smashup has never been seen before.

长期以来天文家们推测小行星带会因为碰撞而粉碎但类似的景象以前从未被观测到。

Asteroids are minor planets, most of which circle the sun in a region known as the asteroid belt, between the orbits of Mars and Jupiter.

小行星是较小的行星，它们中的大部分在火星和木星轨道间的小行星带中环绕太阳运行。

Astronomers have detected an asteroid not far from Earth, moving in the same orbit around the Sun.

天文学家在距离地球不远处发现一颗与地球绕日轨道相同的小行星。

Navigate asteroid belts and prepare to fight for your life or to the death against the galactic invaders.

导航的小行星带，并准备去争取你的生活，或者死亡对银河系的侵略者。

Of course, in the event of a disaster big enough to wipe out all humans, such as a colossal asteroid strike, it would not really matter.

当然，万一遭到一次足以毁灭全人类的灾难，例如行星撞地球，这个问题将会无关紧要。

If they were, it might make sense to go on to an asteroid or one of the moons of Jupiter, but they're not.

如果是的话，那么他们继续向小行星、或者木星的卫星派出探测器还有些意义。但他们并不是。

Dodge being hit in an asteroid belt, and get ready to land as you approach a deserted moonscape.

道奇被击中的小行星带，并准备好土地作为你的方法一个荒芜的月球表面。

He was an early proponent of the theory that life on Earth may have come from Mars in rocks ejected by asteroid and comet impacts.

他是这项理论早期的支持者：地球生命也许来自火星，通过小行星和彗星冲撞而由岩石喷射而出。