一个可用双筒望远镜看到的典例是气体环绕恒星所形成的猎户座的剑。并且老望远镜只能探测到一氧化碳、氢氰化物等小分子释放出的强的,简单的信号。
Spotting more complex substances was almost impossible because their rotational energyis scattered by their numerous bonds across a wide range of frequencies.
而鉴别更复杂的物质几乎不可能,大量化学键占有很宽的频率范围,以至于旋转能被散射掉。
ALMA, by contrast, can detect such things routinely.
相反ALMA可以轻易探测到这些信号:
It has already identified glycolaldehyde and acetone, molecules that have eight and tenatoms respectively.
它已经鉴定出了乙醇醛和丙酮。
In particular, ALMA s masters, a consortium of research agencies from Canada, Chile,Europe, Japan, Taiwan and the United States, hope to find simple sugars and organicacidsmolecules most researchers in the field believe were needed to get life going onEarth.
特别的,由加拿大、智利、欧洲、日本、台湾及美国的财团组成的研究机构掌控ALMA,希望以此寻觅简单的糖类和有机酸该领域大多数研究人员认为它们是地球上生命的必需之物。
The ability to study chemical reactions stage by stage will be equally important.
【2015考研英语阅读天体化学】相关文章:
最新
2016-10-18
2016-10-11
2016-10-11
2016-10-08
2016-09-30
2016-09-30