2014.8.7【中译英】月亮的形状像柠檬?(2)

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发表于:2014-08-07 10:50 [只看楼主] [划词开启]

月亮的形状像柠檬?

The Moon is Lemon Shape?

2014.8.6【中译英】月亮的形状像柠檬?(1)


远离地球是月亮变形主因

Being Far from the Moon Directly Causes the Moon Out of Shape

考虑到月球绕轴旋转的速度要远慢于地球,而且它没有地球那样的板块构造,那月球为什么不是绝对的球体呢?

Considering the axis rotation speed of the moon is much slower than the earth’s,and it lacks the same tectonic as the earth, then why isn’t the moon be the absolute sphere?

贝瑟尔及其科研团队认为,月球被压扁的外形很可能是万有引力作用的结果。这一过程被称为“潮汐加热”或“潮汐加速”。也就是说,潮汐加热是导致月球形成这一形状的原因所在。

Bethel and his research team supposed that the squashed moon is attributed to the Gravity effect. This process is called the tidal heating or tidal acceleration, that is to say, the main reason why the shape of moon forms lies in the tidal heating.

在潮汐加热过程中,地球跟月球之间的轨道力会对后者的内部产生摩擦力,这致使它的某些特定位置的地壳向外扩张。

During the process of tidal heating, the orbital force between the moon and the earth will produce the inner friction towards the latter one, leading to the outward expansion of some certain spots of the moon’s crust.

当月球开始慢慢远离地球后,潮汐加热就逐渐冷却,月球的自转速度也逐渐变慢,以致在这些位置发生冻结,于是就形成了隆起的形状。这大概发生4亿年前。

About 40 million years ago when the moon slowly got away from the earth, the tidal heating gradually cooled down and its rotation was slower and slower which result in the freeze of some places, and thus the uplift was formed on the moon surface.

首幅超精准的月表地图

First Ultra Precise Picture of the Moon Surface

过去,科学家们一直尝试准确描述月球的确切形状,但因其表面存在环形山和大型盆地,月亮最初的形状一直被掩盖。

In the past, scientists kept making efforts to define the accurate shape of the moon but couldn’t make it because of the craters and huge basin on the surface.

此次,在计算月球地形之前,贝瑟尔的团队使用一台激光测高仪创建了一幅超级精准的月球表面地图。这也意味着贝瑟尔的团队成为了首支制作出月球真正形状清晰图的科研团队。

This time, before calculating the topography data of the moon,Bethel and his team  had created a super precise picture of the moon surface by using a laser cathetometer, meaning the Bethel team would be the first scientific research team to figure out a clear graph of the moon’s shape.

11/404


最后编辑于:2014-08-10 21:42
分类: 英语
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