外行星

The Astrochemistry Laboratory researches on extraterrestrial materials and especially the formation, distribution, and fate of organic compounds (comprised primarily of carbon, like those in living things), space environments including interstellar, cometary, and planetary ices, extraterrestrial organic molecules that made the Earth habitable and may have even been involved in the origins of life.

天体化学实验室主要研究地球外物质，尤其是有机化合物（主要组分是类似生命物质中的碳）的形成，分布以及结果，空间环境，包括星际的，彗星的，和行星的冰层，以及那些使地球可居住和可能参与生命起源的地球外有机分子。

WASHINGTON - Evidence of water has been detected for the first time in a planet outside our solar system, an astronomer said on Tuesday, a tantalizing find for scientists eager to know whether life exists beyond Earth.

华盛顿 一位天文学家星期二说，第一次在太阳系外的一颗行星上发现有水存在的迹象。这一发现又挑起了那些致力于寻找外太空生命的科学家的热情。

Scientists have discovered the first confirmed Earthlike planet outside our solar system, they announced Wednesday.

科学家们周三宣称，已经证实发现了太阳系外第一颗类地行星。&这是太阳系外被证实的第一颗岩石行星。&

And we're just now announcing the discovery of the fifth planet, the first planetary system with five full planets orbiting a sunlike star.

同时我们刚刚宣布了发现了第五颗行星，这是在太阳系外发现的第一个拥有5颗行星的类太阳恒星。

And we're just now announcing the discovery of the fifth planet, the first planetary system with five full planets orbiting a sunlike star.

我们现在要宣布的是发现了它的第五颗行星，这是除太阳系外，第一次发现恒星中拥有完整的五颗绕它运行的行星系统。

Generally, the best time to observe an outer planet like Jupiter is when the planet is retrograding.

一般来说，像观察木星一类外太空行星的最佳时间就是行星在逆行的时候。

The Dweebs are all currently stranded on planet Earth after a space freighter transporting this very rare and unusual cargo crashed many years ago, and now they require a really helpful human to assist them on their quest to return to their home planet.

外星货船在行星地球上搁浅，外来的生物要在人类帮助下才能返回他们的行星。

The Smithsonian's Robert Noyes told a news conference,"The planet is the largest planet that has ever been seen, inside our solar system or out, and it's the least dense planet."

史密森尼的罗伯特·诺伊斯在一个新闻发布会上说，&无论在太阳系内还是太阳系外，这颗行星都是我们见过的最大的，也是密度最小的行星。&

Of course , in this well-studied example of a planetary nebula , the glowing material does not come from planets .

当然，在这个被细致地研究过的行星状星云样本中，炽热的物质并非来自行星，而是一颗正在死亡的太阳型恒星向外扩散的气壳。

Just a fortnight ago, astronomers using the Hubble space telescope identified water vapour in the atmosphere of an exoplanet, albeit a gaseous exoplanet some 150 light years away.

就在两周前，天文学家使用哈勃太空望远镜，在一颗外星行星的大气中确定了水蒸气的存在，尽管该行星离我们有大约150光年。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。