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奥尔特云深处的哥布林矮行星 – 译学馆
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奥尔特云深处的哥布林矮行星

"The Goblin" Dwarf Planet - An Inner Oort Cloud Object (4K UHD)

Passed all of the rocky inner worlds and the mighty gas giants
穿过所有内部由岩石构成的星球和巨大的气态行星
the dwarf planet,Pluto, can be found.
我们便会发现一个矮行星 冥王星
At its most distant point it is 4.6 billion miles away from Earth
它的远地点距离地球46亿英里
but although Pluto is extremely far away,
虽然冥王星离我们非常遥远
it is not the last world in our solar system.
但它却不是位于太阳系最末尾的星球
Traveling further into the outer reaches
当我们不断向外部区域深入
reveals many more strange and mysterious objects
便会发现更多奇怪和神秘的物体
that have been discovered hiding in the darkness of space.
它们被发现隐藏在太空黑暗深处
So let’s travel beyond the icy world Pluto
所以让我们越过冰冷的冥王星
and find out what’s lurking at the edge of the solar system.
去找出是什么东西潜伏在太阳系的边缘
冥王星之外的哥布林行星
Discovered in October 2015,
它在2015年10月被发现
This mysterious object has been nicknamed the Goblin
这个神秘星球的外号叫哥布林
Officially designated as 2015 TG 387
官方命名为 2015 TG 387
the strange world orbits the Sun roughly once every thirty two thousand years.
这个陌生星球大约每3万2千年绕太阳一圈
It is currently around 7.5 billion miles away
它目前距离我们大约75亿英里
but at its most distant point the goblin travels as far out as 214 billion miles
但它距离我们最远的点能达到2140亿英里
placing it beyond the Kuiper belt
这使它超过了柯伊伯带
and making it one of the farthest known objects within the solar system.
成为太阳系中我们所知的最远星体之一
The Goblin is likely a dwarf planet
哥布林很有可能是一个矮行星
however it’s status has not yet been confirmed
然而它的身份还未彻底证实
as it is extremely difficult to measure due to its incredible distance from the Earth.
它与地球之间距离极远 因此难以测量
It is a part of a group
它是某个群体的一部分
that can be located at the edge of a mysterious region
那个群体位于一个神秘区域的边缘
known as the Oort cloud
被称之为奥尔特云
which is a giant spherical shell of icy bodies that surround our Sun
是一个环绕太阳的巨大球形冰壳
and is believed to be the place from which comets originate.
人们认为它是彗星的发源地
The peculiar world received its nickname
这个古怪星球之所以有这个昵称
because it was discovered around Halloween
是因为它发现于万圣节期间
but also because of the letters T G can be found in its provisional designation.
也因为它的临时名称中有T G两个字母
It is estimated to be between 190 and 220 miles in diameter
它的直径大约在190到220英里
making it considerably smaller than Pluto
使得它的体积被认定小于冥王星
but a similar size to Saturn’s moon, Mimas.
但尺寸与土星的卫星土卫一相似
It’s exceptionally long and elongated orbit also suggests
它异常细长的轨道似乎有所暗示
but does not prove the existence of a hypothetical planet 9.
但却不能证实假想行星9的存在
Planet 9 was first proposed in 2014
行星9在2014年被首次提出
to potentially explain oddities in the orbits of a few distant trans-neptunian objects
用来粗略解释海王星外遥远轨道上的一些奇观
and the discovery of small worlds like 2015
和诸如小行星2015之类的发现
TG 387 may help to find the elusive planet once and for all.
TG 387也许能帮我们一次性找到所有难以发现的行星
Very little is known about the goblin’s physical characteristics
几乎没有人知道哥布林行星的物理特性
because of its great distance and small size
因为它离我们很远 且体积较小
but it is likely similar to the other objects that can be found closest to it
但是它被发现与距其相近的其他星球相似
such as the confirmed dwarf planet Sedna.
比如已被确认的矮行星塞德纳
If this is correct
如果这是真的
then its surface is possibly a mixture of water,methane and nitrogen ices
哥布林的表面可能是水 甲烷和氮冰的混合体
that are covered in dark patches of complex molecules that are called Tholins.
被名为索林斯的复杂分子组成的暗斑所覆盖
Because of the goblin’s incredible distance from the Sun,
因为哥布林行星与太阳之间距离极远
its surface temperature would likely be below minus 240 degrees Celsius
它的表面温度可能低于零下240摄氏度
making it one of the coldest places in the solar system.
使它成为太阳系中最冷的地方之一
90% of the dwarf planet’s orbit is so far away
90%的矮行星轨道是如此的遥远
that even the Earth’s most powerful telescope would struggle to detect it
以至于地球上最强大的望远镜都很难发现它们
but as of 2019
但自2019年起
it is approaching its closest point to the Sun around 61 billion miles away
它正在不断靠近610亿英里外的近日点
which means that the Goblin may one day be visited by a future probe.
这意味着哥布林行星在未来可能被探测到
But until then
但直到现在
it will just have to lurk mysteriously in the dark regions of our solar system.
它依旧神秘地潜伏在太阳系的黑暗深处
Next time we will explore the possibilities of a hypothetical planet 9
下次我们将会探究行星9假设的可能性
such as where it could be hiding ,what type of planet it could be
例如它藏在哪 是什么类型的行星
and what it would mean if we did discover it.
如果我们发现它将意味着什么
Thank you so much for watching and I’ll see you next time.
非常感谢您的观看 我们下次再见

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视频概述

在冥王星之外,在奥尔特云深处,有一个名为哥布林的矮行星,正等待我们揭开它神秘的面纱。

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视频来源

https://www.youtube.com/watch?v=RHNZnzLrNUs

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