了解宇宙是如何运行的（2010）

How the Universe Works S08E09

Part 8 Jan. 30, 2022, 2:59 p.m.

all bets are off.
突然间，一个由数千亿颗恒星组成的星系
All of a sudden, a system
of hundreds of billions of stars
将会加入到我们的星系中，然后会出现大规模的混乱
will be added to our own,
and there will be mass chaos,
但有一件事可以保证——
but one thing
you can guarantee --
天空中会有烟花
there is going to be
celestial fireworks.
♪
这可能是历史上最大的光秀
narrator: This could be the
biggest light show in history,
导致了一个全新星系的形成
resulting in the creation
of a brand-new galaxy.
我们将成为一个巨大的星系
We will have become
one giant galaxy.
如果你愿意的话，就叫它“银女系”吧
Call it milkdromeda,
if you will,
这样我们看起来会很不一样
so we will look very different.
我们宏伟的设计，旋涡星系
Our grand-design, spiral
milky way galaxy
很可能已经将自己转变成一个
will have probably
transformed itself
完全不同的形状
into an entirely
different shape.
合并的星系可能会
Narrator: The merging galaxies
could create
形成一个巨大的椭圆形星系
a giant,
elliptical-shaped galaxy,
但地球可能看不到它
but earth might not
be around to see it.
数十亿颗恒星将倾入我们的星系
Billions of stars are gonna
come careening into our galaxy,
非常非常容易地扰乱地球的轨道
very, very easily disrupting
the orbit of the earth.
太阳可能会被完全甩出银河系
The sun could be thrown
out of the galaxy entirely.
♪
当恒星、尘埃和气体相互旋转时
narrator: As stars, dust, and
gas swirl around each other,
♪
引力的相互作用会将我们的太阳系
gravitational interactions
could slingshot our solar system
弹射到星系间的空间
out into intergalactic space.
♪
我们仍然会绕着太阳转，一切都会很好
we'll still orbit the sun,
and everything will be fine,
但这意味着要46亿年后
kind of, but it just means
我们才会在天空中看到
we'll see something
very different in our sky
与现在非常不同的东西
in 4.6 billion years
than we do now.
我们的星球可能会被送上
Narrator:
Our planet could be sent
全新的星系间的旅行
on a whole new
intergalactic ride,
♪
被射入宇宙，远离新的银女星系
shot out into the cosmos, away
from the new milkdromeda galaxy.
没有办法知道到底会发生什么
There's no way of knowing
exactly what's going to happen,
从这个意义上说，这是旅程的终点……
and in that sense,
journey's end...
♪
我们只能等着瞧了
we'll just have to wait and see.
<呵呵，希望人类能一直延续到那个时候吧>
<反正我是看不见了，看这个视频的所有人>
<肯定也是看不见了——译者笑注>
♪
我们可能不知道地球的宇宙之旅的
narrator: We might not know
the final destination
最终目的地，但我们知道——
for earth's cosmic journey,
but we do know this --
到目前为止，这是一段不可思议的旅程
so far, it has been
an incredible ride.
我们在地球存在的历史上
We've had a fantastic journey
进行了一次奇妙的旅行
over the history
of earth's existence.
我们可能不会立即意识到
We may not be immediately aware
of our motions
我们在宇宙中的运动，但这并不意味着它们不存在
through the universe, but that
doesn't mean they're not there.
♪
许多人认为地球是太空中
many people think of the earth
蓝色、平静的大理石
as this blue, calm marble
in space.
但实际上，它在太阳周围剧烈地旋转
But in reality, it's violently
ripping around the sun,
太阳也在银河系周围旋转
and the sun is ripping
about the galaxy.
♪
有很多动态的事发生
there's a lot of dynamics
happening.
♪
只是想想地球会发生什么
it boggles the mind
just to think
就令人难以置信
of what the earth
will have done.
地球实际上已经绕太阳
The earth will have
actually orbited the sun
运行了100亿次
10 billion times.
在一个穿越太空的星系中
It will have spun on its axis,
like, a trillion times
它会绕轴旋转一万亿次
in a galaxy
that's moving through space.
[叹气]
[ exhales ]
骑在地球上绝不是一次无聊的旅行
riding the earth is anything
but a boring trip.
♪