Thus, our picture of Venus at around the time life was getting started on earth is one of warm oceans, probably rich with organic molecules splashing around rocky shores and volcanic vents.
因此,在地球上生命开始的时候,我们所看到的金星是一片温暖的海洋,这片海洋可能富含在岩石海岸和火山口周围飞溅的有机分子。
Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
地球是内行星中唯一一个有大卫星的,它的轨道既不在地球的赤道平面上,也不在其他行星所在的平面上。
And dark matter doesn't often interact with most other matter, scientists theorize. One idea is that it flies right through the Earth, your house, and your body without bouncing off atoms.
科学家们推理说,暗物质一般不与大多数其他物质作用,他们认为暗物质会直接穿过地球、房屋甚至是人的身体,并不会被原子所弹开。
In one simulation, a planet with the mass of Neptune situated in the habitable zone of a star - not too hot, not too cold - was given a moon the size of Earth.
在一种模拟的情景中,一个与天王星大小差不多的行星处在一个星球的可栖居的地带,不冷不热,并且周围有一个地球大小的恒星。
"Our relationship with Earth is one of mutual interdependence," he added.
“我们与地球是相互依存的关系”,他评价道。
The Earth could find itself with a 'second sun' for a period of weeks later this year when one of the night sky's most luminous stars explodes, scientists have claimed.
据英国《每日电讯报》日前报道,科学家宣称,在今年晚些时候,当夜空中最明亮的一颗恒星爆炸时,地球将会发现自己要与这“第二个太阳”共处长达几个星期的时间。
But Britain has links with Cosmonaut Gagarin, as one of the first countries he visited after his return to Earth.
加加林返回地球后第一个访问的国家是英国,英国与加加林的渊源便起于此。
Nowhere else in the solar system can one find an atmosphere loaded with free oxygen, which ultimately proved vital to one of the other unique features of Earth -us.
太阳系中没有另外一个具有含氧大气的星球,而含氧大气则是地球的另一个特征的至关重要的前提,这个“特征”就是我们——生命。
Nowhere else in the solar system can one find an atmosphere loaded with free oxygen, which ultimately proved vital to one of the other unique features of Earth - us.
太阳系中没有另外一个具有含氧大气的星球,而含氧大气则是地球的另一个特征的至关重要的前提,这个“特征”就是我们——生命。
(We're sorry for that one.) If executed properly, an astronaut's feces is sucked into a garbage bag that is stored and then returned to earth with other refuse.
(对此我们表示抱歉)正确操作的话,宇航员的排泄物就会被吸入一个垃圾袋中储存起来,然后和其他的废物一起被运回地球。
The astronomers came up with the scenario to explain why the moon's far side is so much more hilly than the one that is always facing Earth.
天文学家试图用这样的理论来解释,为什么月球的背地面比向地面更加凹凸不平。
The surrounding countryside is a dry patchwork of millet and corn fields covered with the fine yellow silt found across the Loess Plateau, one of the most erosion-prone places on earth.
乡下是干涸斑驳的高粱玉米地,黄土茫茫,横亘黄土高原——这是地球上最容易被冲蚀的地方之一。
And of course, one of SketchUp's strengths is the ability to interact with Google Earth and create geography-specific structures.
当然,SketchUp的一个优点是可以与GoogleEarth交互,并创建特定于地形的结构。
Scientists plan to fire a spacecraft into an asteroid in an effort to prepare for one being on a direct collision course with Earth.
据英国《每日邮报》8月18日报道,有一颗小行星正行进在一条会与地球直接相撞的轨道上,为此科学家们计划将航天器发射至这颗行星。
"We cannot compromise with the earth, we cannot compromise with the catastrophe of unchecked climate change, so we must compromise with one another," he said.
“我们不能让地球妥协,我们必须遏制气候继续恶化以致带来灭顶之灾。因此,我们相互之间必须有所妥协,”他提到。
One is Kamen Bryag (Stone Beach), a cluster of terracotta buildings - many with rooms for rent - that seem to sit on the edge of the Earth.
其中一个村庄名为“石滩”,村里有一连串的陶土房屋,似乎是建在地球的边缘上。这里有很多人家出租房间。
Though this is down slightly compared with last year, Rio is still one of the most dangerous places on earth.
尽管和去年比起来,数字有所下降,但里约仍然是世界上最危险的地方之一。
At one stage the probe lost contact with Earth for seven weeks, a glitch that added three years to its space voyage.
有一段时间探测器与地球中断联系了好几周,另一个故障则导致了它的空间探测旅程增加了三年时间。
To the right there's a drawing of Earth orbiting the Sun, with an arrow pointing to the right. The arrow means one year, the time of it takes the Earth to rotate around the Sun.
一个箭头指向球体右方,那儿有一个地球围绕太阳旋转的图样,这个箭头意味着一年,暗示地球围绕太阳旋转一圈的时间。
Let's say I did buy one of these posters: what on earth am I supposed to do with it?
比如我就确实购买了一张这样的海报:我到底该拿它做什么呢?
One of those robotic devices, after maneuvering to a suitable location with guidance from Earth-based controllers, will use a mechanical arm to scoop up a sample of lunar soil.
那时,将有一种机器人设施,能够根据地球基站控制人员的指令寻找到适当的位置,用机器手攫取月球表面风化层泥土材料样本。
"There is no unified flat Earth model, " Shenton suggests, "but the most commonly accepted one is that it's more or less a disc, with a ring of something to hold in the water.
“尽管平坦地球论还没有公认的模型,”珊顿说,”但为多数人接受的观点认为,地球形状是个圆盘,并且在水中托着一圈某种东西。
Congo is also one of the last places on earth with tribes of cannibals.
刚果也是世界上食人部落存在的最大的国家。
The Saturn hexagon seems to represent the strange rigid path of a jet stream, with each of the six sides being one Earth diameter in length.
土星上的六角形云团像是激流形成的固定图案,每条边的长度与地球的直径相当。
For one thing, an education campaign should be launched to popularize the idea that "the longest journey starts with a single step" and to cultivate a down-to-earth attitude toward life.
一方面,应该发起一场教育运动来普及这种“千里之行,始于足下”的理念和脚踏实地的生活态度。
Of course this force was exceedingly small, compared with that of the earth; and for that reason the vibrations of this pendulum were by far slower than those of a common one.
当然,跟地球的引力比较,大球的引力极其微小;所以,小球的摆动比通常所见的摆动要缓慢得多。
One day, Brother Wanda came to us with another new idea. He wanted us to draw an animal that didn't exist on earth.
有一天,老罔达又出了个新点子,他让我们画一个世界上不存在的动物。
Its 273-hectare pine-covered grounds have a square southern boundary and a semicircular northern one, in accordance with the old idea that the Earth was square and Heaven was round.
它占地273公顷,遍植松树,南边以方形为界,北方则以半圆形为界,这与“天圆地方”这种古老的观念相吻合。
Its 273-hectare pine-covered grounds have a square southern boundary and a semicircular northern one, in accordance with the old idea that the Earth was square and Heaven was round.
它占地273公顷,遍植松树,南边以方形为界,北方则以半圆形为界,这与“天圆地方”这种古老的观念相吻合。
应用推荐