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  • Olympus Mons, the tallest mountain in our Solar System, towers 21,000 meters above the

    奧林匹斯山蒙斯山是太陽系最高的山峰,海拔21000米。

  • surface of Mars -- nearly two and a half times the height of Mount Everest. On Earth, you

    火星表面 -- 幾乎是珠穆朗瑪峰高度的2.5倍。在地球上,你

  • would need a spacesuit to survive at that altitude - but could there even be a mountain

    需要穿上太空服才能在那個高度生存,但會不會有一座山呢?

  • that tall here on our home planet?

    在我們的星球上有那麼高嗎?

  • Based on the strength of Earth's gravity and the density and strength of rock, in principle

    根據地球引力的強度和岩石的密度和強度,在原則上

  • you could make a single conical mountain that stretched between New York and Chicago and

    你可以做一個單一的錐形山 延伸到紐約和芝加哥之間,並

  • soared over 45km! That's twice the size of Olympus Mons and definitely dwarfs Everest.

    飆升超過45公里!這'是奧林匹斯蒙斯的兩倍,絕對讓珠穆朗瑪峰相形見絀。

  • However, there are a couple of reasons why we can't actually have that humongous of a

    然而,有幾個原因導致我們不能真正擁有那麼龐大的'。

  • mountain on Earth:

    地球上的山。

  • For one, Earth's crust is made up of continental plates that essentially float in the semi-solid

    首先,地球的地殼是由大陸板塊組成的,基本上漂浮在半固態的大陸板塊中。

  • rock of the mantle below. If you add more weight above the surface, they sink lower

    下面地幔的岩石。如果你在地表之上增加更多的重量,它們就會下沉到更低的位置

  • into the earth's hot interior, and when they sink far enough, they soften and basically

    進入地球熾熱的內部,當它們下沉到足夠遠的地方時,它們就會軟化,並基本上

  • melt. For our conical mountain, that gives a new height limit of just 15km.

    融化。對於我們的錐形山來說,新的高度限制只有15公里。

  • As well, the powerful collision of two tectonic plates, which creates mountains in the first

    以及,兩個構造板塊的強大碰撞,在第一時間形成了山脈。

  • place, also fractures and cracks the rock, weakening its structure and exposing it to

    的地方,也會使岩石發生斷裂和裂縫,削弱岩石的結構,使其暴露在

  • erosion.

    侵蝕。

  • Over millions of years, freeze-thaw cycles pry at these cracks, while winds claw at the

    數百萬年來,凍融週期撬動了這些裂縫,而風則抓緊了這些裂縫。

  • slopes and streams and glaciers carve deep valleys into the mountainside, all weakening

    山坡、溪流和冰川在山坡上開鑿深谷,都在削弱

  • the mountain's support. This can end badly.

    山'的支持。這樣的結局可能很糟糕。

  • For example, 3,764m tall Aoraki/Mount Cook in New Zealand had its top fall off one night

    例如,紐西蘭3,764米高的奧拉基/庫克山,有一天晚上,它的頂部掉了下來。

  • in 1991, trimming it down to a 3,754m mountain.

    1991年,把它修剪成一座3754米的山。

  • Given all the factors that conspire to limit the height of mountains - sinking into the

    鑑於所有因素都在限制著山體的高度--沉入了

  • earth's mantle, fractures, and erosion - I wouldn't bet on our tallest mountains getting

    地球的地幔,斷裂,和侵蝕 - 我不會打賭我們最高的山獲得

  • too much taller than they already are. Then again, Mount Everest is still growing, 50

    比它們已經高了太多。話又說回來,珠穆朗瑪峰還在不斷地增長, 50

  • years from now, it could be 30 cm taller than it is today... or it could be a good deal

    幾年後,它可能會比現在高30釐米... ...也可能會比現在高很多

  • shorter. We'll just have to wait around to find out. And, who knows? Maybe we'll be on

    更短。我們'就只能等著看了。而且,誰知道呢?也許我們會在

  • Mars by then, anyway.

    反正到時候火星。

Olympus Mons, the tallest mountain in our Solar System, towers 21,000 meters above the

奧林匹斯山蒙斯山是太陽系最高的山峰,海拔21000米。

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山可以有多高? (How Tall Can Mountains Be?)

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    cathy~ 發佈於 2015 年 05 月 04 日
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