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第五百二十二章 战舰

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月球确实非常小,一眼望去,月平线近在咫尺(2.5公里左右),月面与太空相交,呈现出一道明显的弧度。龙腾小说网ltxsba.com

太阳刚从月平线的东边升起不久,灼热的光线照射在月面上,投射下大片光影,四周空旷寂寥,漫天繁星,给人一种异常辽阔壮美的感觉。(月球上无论白天黑夜都能看到星星的,但是由于相机的感光问题,我们会发现,无论是中国还是美国登月飞船,从月面上拍摄到的天空永远都是漆黑一片。)

月球上重力非常小,陈新尝试在月面上轻轻轻跳上两下,就能轻松蹦出两三米的高度,仿佛他稍微再用下力,就可以脱离月球引力,飞向宇宙了。

钢镚也从月球车上跳了下来,学着他蹦蹦跳跳满地打滚,兴奋地大笑道:“哈哈,真是太爽了,老豆,我都好久没有闻到如此纯正的宇宙的味道了。”

地球环境对人类而言虽然很舒适,但钢镚却并不是非常适应,无论是粘稠的空气还是湿润的水分,都让它觉得别扭,它最喜欢的还是这种纯粹的真空。

陈新看着在一旁撒欢的钢镚,摇头哑然失笑。

两人在飞船附近转了一圈,很快把周围一层厚厚的月壤踩得面目全非。

月壤大量扬起,将银白色的航天服染上了一层土灰。

由于月球没有大气层,使得月表受阳光照射区域与阴暗处温差巨大,这种剧烈的温度变化导致热胀冷缩,会引起岩石的破裂。

破裂的岩石长时间受到太阳的紫外光、x射线和伽玛射线的辐射,导致岩石结晶结构被破坏。促使岩石进一步碎裂。

再加上陨石撞击,种种因素积年累月下来,岩石逐渐变成了粉尘状的微小颗粒,月球表面的原始地貌也随之改变。

到如今,月球表面早被一层由直径小于1毫米且具有黏性的细小劣组成的月壤所覆盖。这些月壤在月球各处的厚度不同,薄的地方只有几厘米,厚的地方有五六米。

可别小看月壤,如果拿到地球上去,每一克的月壤都价值千金。

除了用于科学研究外,月壤中还拥有丰富的氦3资源。据估算。月壤中氦3的总量便可以达到100万到500万吨。如果用氦3进行核聚变反应发电,100吨氦3就可以满足全世界一年的发电需要,月球上的氦3总量可以供人类使用上万年。

此外,月球上的钛、铁、铈等金属资源也异常丰富,如果人类未来在月球上建立工厂、基地。它们将为人类的月球城市提供足够的物资保障。

难怪钢镚常说,人类生活的太阳系对低等级文明而言实在太过美妙,八大行星可以为人类开发太阳系提供充足的矿产能源支持,月球更是造物主的神来之笔。

从某种程度上说,月球对地球生命而言有着和太阳同等重要的作用。

如果没有月球,地球的自转轴摆动会比现在大幅增加,导致现在十分有规律的四季变化出现极大的不稳定性,造成全球气候紊乱。非常不利于生命的演化。

而月球引力使海洋产生潮汐,促使地球将赤道温暖的海水涌向全球各地,我们知道生命最初诞生在海洋之中。所以潮汐对生命从海洋生物演化为陆地生物十分总要。同时温暖的海水散步到全球各地后可以加速蒸发,促使地球大陆获得更加丰富的降雨,也使得全球气温变得更加均衡,为后来陆地生物的生存提供了决定性的保障。

更重要的是,月球的存在为地球挡住了大量外来陨石的侵扰,其中不乏那些足已毁灭地球生命的小行星。

如此得天独厚的条件。才造就了如今地球上丰富多彩的生命环境。

“老豆,你看那边!”

钢镚跳回到陈新肩头。指着数千米外那座高耸的环形山道。

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