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当流星以光速撞向地球 – 译学馆
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当流星以光速撞向地球

What If A Meteor Hits The Earth At The Speed Of Light?

每天 超过40亿颗太空物体
More than four billion space bodies, AKA meteoroids,
也称流星体 会坠入地心引力
fall into the Earth’s gravity well every day.
这个词涵盖了所有
This moniker covers everything in size
尺寸大于行星际尘埃
greater than interplanetary dust
却小于小行星的天体
but less than that of an asteroid.
它们多数是些小石块
These are small stones in the majority
很快会在大气层中燃烧殆尽
which quickly burn up in the terrestrial atmosphere.
只有极少数能跨越这道屏障
Only a few can pass this barrier.
到达地球表面的流星
Meteoroids that reach the Earth’s surface
叫做陨石
are then called meteorites.
这时它们已没什么危险了
At the same time they do not pose a particular danger,
尽管偶尔也会引发当地居民恐慌
although occasionally they can make local residents nervous
例如最近在车里雅宾斯克州发生的恐慌
as happened recently in Chelyabinsk.
但如果我们将流星体的速度
But what if we increase the velocity of the meteorite
提升至光速呢?
to the speed of light?
有质量的粒子无法被加速到光速
No particle with mass is actually capable of the speed of light,
但事实上 为达到目的 我们不需要达到光速
but in fact for our purposes we don’t need it.
接近光速很简单
It will be enough simply to approach this speed
只要些许
just a little such that
整个太阳系都会为之震颤
the entire solar system will be in shock.
但是 我们得一步步的来
But, let’s do this in the proper order.
想象一下 我们有只圆滚滚的钻石球
Imagine that we have a round diamond ball
直径30米
30 meters in diameter.
刚刚将它以3000km/s的速度
And we have just launched it in the direction of the Earth
向地球发射出去
at a speed of 3,000 kilometers a second.
首先要说明一点
First of all it should be noted that
在那种速度下 我们大气层的空气
the air in our atmosphere begins to participate
会参与核聚变
in nuclear fusion at such velocities.
伴随着等离子体加热
And with this plasma heating,
坠落的过程在钻石球落到地表前
the process might be able to destroy our diamond sphere entirely
就能将它完全摧毁
before it reached the Earth’s surface.
但是地球不会如我们所愿
But the Earth will not get the better of us.
钻石球不会飞多久
This sphere will not fly wide enough
而且会在某一时刻撞上地球
and at some point will crash into the Earth.
撞击中释放的能量
A thousand times more energy
超过一千次
will be released during the impact than
最强核爆炸释放的所有能量
from the most powerful nuclear weapons of all time.
与此同时 整个
And at the same time the entire region
临近撞击点的地区会被夷为平地
near the point of impact will be wiped clean.
但这没什么意思
But this is boring.
这个速度只有光速的百分之一
It’s only point zero one of the speed of light.
撞击坑会很大
The crater will be huge.
热量导致岩石蒸发
This heat will cause stone to be dispersed
其速度是光速的99%
at .99 the speed of light.
然后出现了相对论效应
Here relativistic effects are beginning to act.
控制此球 将其看作单一实体的链结完全没用
Links that hold the sphere as a single entity completely fail.
一颗钻石流星
A diamond meteorite becomes
变成了一堆碳原子
just a bunch of carbon atoms moving so fast
速度之快 洛伦兹力将球压成了一张薄饼
that a Lorentz contraction flattens the sphere into a pancake.
当然 我们无法目击这一过程
We would, of course, not be able to notice this visually.
钻石球每个碳原子都附带上
Each carbon atom in the sphere carries
大约700亿伏特的能量
about 70 billion electron volts of energy.
它们速度之快以至于还没和空气碰撞
They’re moving too fast to collide with the air directly
就穿了过去
and simply pass through it.
空气的分子
Molecules of air penetrate
渗透进球体3米深
through three meters of the sphere
然后就被卡在里面
and then get stuck inside.
球体迅速膨胀并到达地球
It expands rapidly and reaches the Earth
带着比降落前更多
with a greater content of matter
的物质
than at the beginning of its fall.
撞击地面后 球体分崩离析
When it hits the surface, it disintegrates completely,
撕裂地球 产生一个又深又宽的凹陷
rending the Earth, generating a deep and wide cavity
在岩石圈砸出一个锥形的坑
and creating a cone-shaped channel through the Earth’s lithosphere.
碰撞产生的能量
The energy of the collision will crack a hole
能在地壳上冲出一个洞 砸出一个巨大的火山口
in the Earth’s crust and knock out so large a crater
能让你将熔融的地幔一览无余
that through it you should see the molten mantle.
碰撞释放的能量
The collision will release energy
差不多是终结恐龙的希克苏鲁伯小行星
similar to 50 times that of the Chicxulub asteroid
释放能量的50倍
that killed the dinosaurs.
一般 即使不会让所有生命终结
This is enough to cause a mass extinction on the planet
也足够在这颗行星上进行一次物种大灭绝
if not the end of all life in general.
你是否想亲眼目睹那样一场盛大的表演呢
Would you like to witness such a grand performance?
我宁可不要 太无聊了
I’d rather not. It’s boring.
让我们再加几个9
Let’s add another few nines.
光速的99.9999999%
99.999 9999% the speed of light
现在 所有的碳分子都带上了
Now each carbon molecule carries
25万亿伏的能量
25 trillion electron volts of energy,
比得上大型强子对撞机
which is comparable to particles
发射器中的粒子
in the beam of the Large Hadron Collider.
这些条件下 所有这些 带着差不多
Under these conditions, all of this will hit the Earth
与轨道运行的月球一样的动能
with roughly the kinetic energy
撞击地球
of the moon moving in orbit.
这些能量足够
This is enough to punch
在地幔上钻出一个惊人的巨坑
a tremendous massive hole in the mantle,
并波及地表
and to disturb the Earth’s surface so much
导致其完全熔解
that it melts completely.
这次 有更大的可能性
This, with even greater probability,
将地球上所有生命一并清除
will put an end to all life on Earth.
但是 该死的 这还不够
But damn it, it’s still not enough.
我们再加几个9
Let’s add just a few more nines.
光速的0.9…(21个9)…951
.9999 9999 9999 999 999 999 9951 of the speed of light
人类观测到的最快的
The speed of the fastest object that has a mass
有质量的物体 将被命名为
which has been observed by mankind will be obtained-
“我的上帝”粒子
the “Oh My God” particle,
因为的确名副其实
as it is colloquially known.
但请不要责怪上帝
But let’s not blame God for this.
“我的上帝”是个天外来客
The “Oh My God” particle is a proton from space
1991年曾闯进了犹他州的大气层
which plowed into the atmosphere over Utah in 1991.
它移动的速度接近光速
And it was moving at almost the speed of light,
达到了光速的99. (21* 9) 51%
99.(21*9)51% the speed of light.
粒子碰撞形成如瀑布般倾泻的能量
The cascade of particles that were formed from its collision
甚至无法被大型强子对撞机复制
could not even be reproduced in the Large Hadron Collider.
类似的现象每年都能检测到几回
A similar phenomenon is detected several times a year,
但无人了解它们实际上是怎么产生的
and nobody understands how exactly they are produced.
看起来 它们来自于
It seems that they come from the general direction
银河系爆发的大致方向
of the explosion of galaxies.
但是那里发生了什么
But what happened there
赋予了它们如此的速度
to make them leave in such a hurry?
而且 为何到这儿之前没有减速
And why didn’t they slow down before they got here?
总之 把这个谜留给科学家们吧
In general, let’s leave this mystery to the scientists
然后 给我们的钻石流星
and give our diamond ball
一个“我的上帝”的速度吧
the velocity of the “Oh My God” particle.
现在 这个球飞得快到
Now this thing will be flying so fast
没有现代计算机技术
that no modern computer technology
能够模拟出的状态
can simulate such a situation.
因此 我们无法确定
Therefore we cannot know for sure
会发生什么
how everything will turn out.
但我们可以粗略描出大致的图景
But we can roughly outline the picture in general terms.
我们的钻石球径自
Our diamond ball sweeps through the atmosphere
掠过大气层
not even noticing it,
然后消失在地壳之下
and disappears into the Earth’s crust.
膨胀的等离子云体带着辐射
A cloud of expanding plasma with accompanying radiation
背离撞击点
diverges from the entry point
能量脉冲向外穿过地球
while energy pulsates outward through the body of the planet.
40毫秒过后 地球的反面
40 milliseconds later, the entire far side of the planet
向外膨胀形成了光云
is expanding outward in the form of a glowing cloud.
这颗钻石流星和
The diamond meteorite and cascade of particles
在撞击地壳中产生的粒子的能量冲刷
which it created in its collision with the Earth’s crust
穿过地球向外扩散
spreads outward through the body of the planet.
因为过热 地球发出的光芒超过了太阳
The planet starts to glow brighter than the Sun from overheating.
撞击足够
There will be such an impact
把地球撞到其他轨道上
so as to knock the Earth into another orbit.
但这无关紧要
But it doesn’t matter.
因为地球已不复存在
The Earth is no more.
沉积下来的能量
The precipitated energy is ten thousand times greater
是地球引力之和的上万倍
than the energy of the planet’s gravitational bonds.
所以 地球爆炸 形成了一朵
Therefore, the Earth explodes in the form
不断膨胀的等离子云体
of an expanding plasma cloud.
尤其是能量流 会在撞击的方向上
And especially energetic flows will jet into space
喷射进太空
in the direction of the impact.
太阳几乎被
The Sun almost chokes
灰尘的波浪所淹没
on the waves of dust that envelop it,
最近一颗行星的表面
and the surfaces of the nearest planets
会被惊人的高能等离子冲击波
are cleaned to brilliance
冲刷得干干净净
by the incredible high-energy plasma shockwave.
那就是为你呈现的一场烟火
That’s fireworks for you.
你看到了结尾 那么说明你喜欢这个视频
You watched to the end, and so you like the video.
现在是时候抬起手指
It’s time to put your finger up
为我的频道点赞
and subscribe to my channel.
我承诺还有很多更酷的东西会放出来
I promise many more cool releases,
所以不要错过它们 再见
so don’t miss them. See you later.

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视频概述

别担心,因为担心也木有用,大家会携手并肩一起去见阎王………

听录译者

日落蓝

翻译译者

HOUKI

审核员

审核团V

视频来源

https://www.youtube.com/watch?v=L-s_h5PS7VQ

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