陨星

Meibom and his colleagues based their study on two rare meteorite specimens - HH 237, a grapefruit-size chondrite recovered from the Hammadah al Hamra region of north Africa; and QUE 94411, a walnut-size sample collected from the Queen Alexander mountain range in Antarctica.

梅波姆和他的同事将理论建立在对二颗稀有陨星标本的研究基础上。这二颗陨星一颗是

The silence of a falling star lights up a purple sky.

沉寂的一颗陨星点亮了一片紫色的天空。

Adding weight to the assumption of widespread homochirality is the predominance of left-handedness among amino acids found in meteorites that struck Earth.

在撞击地球的陨星上发现的氨基酸主要是左手式的，为同手性广泛存在的假设提供了支持。

For example, much information comes from the study of meteorite s

例如，对陨星的研究可以取得大量的资料。

And the extinction of the dinosaurs 6500 years ago about a large meteorite.

恐龙的灭绝和6500万年前的一颗大陨星有关。

The amazing speed and erratic motion indicated that it couldn't have been a plane or a meteorite .

惊人的速度和奇异的动向表明它不会是一架飞机或是一颗陨星。

One theory is that a huge killer meteorite hit the earth.

有种理论认为曾经有颗巨大的致命陨星坠落在地球上。

One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorite s.

地球外存在生命的理论是根据陨星上存在碳化合物这一事实得出的。

A meteorite was very close to them now.

一颗陨星正向他们逼近过来。

Meteorites, chondritic meteorites, meteorite composition, meteorite structure, impact craters,carbonaceous chondrites, glossary

关键词：陨星；球粒状陨石；陨星组成物；陨星构造；撞击弹坑；碳质陨石；术语表

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。