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单词 Accretion disk
释义

Accretion disk

英语例句库

As described above, the collapse of a rotating cloud of gas and dust leads to the formation of an accretion disk through which matter is channeled onto a central protostar.

部分的重力能量在崩溃的过程中会以红外线的形式损失掉,其馀的则会用于增加天体核心的温度。

原声例句
Veritasium真理元素

Its mass fell in towards the black hole forming an accretion disk.

恒星的物质形成了黑洞的吸积盘。

Veritasium真理元素

You can actually so something very similar for a black hole's accretion disk.

利用类似的方法可以算出黑洞吸积盘的半径。

Veritasium真理元素

Assuming it's spinning in the same direction as the matter in the accretion disk.

这是在黑洞自旋与吸积盘旋转方向相同的情况下。

中级英语短文

The neutron star or black hole accretes matter from the star, creating a high-temperature accretion disk and relativistic jets.

中子星或黑洞吸积恒星的物质产生高温的吸积盘及相对论性的喷流。

双语版 TED-Ed 演讲精选

They'd swarm in an orbit around a black hole, perhaps on the plane of its accretion disk, but farther out.

它们沿着环绕黑洞的轨道成群移动,远离吸积盘,但与其保持在同一平面上。

Veritasium真理元素

But this method only works if the radiation from the black hole is dominated by black-body radiation from the accretion disk.

但是这种方法只能在吸积盘为主要的黑体辐射时使用。

学生科学报

Accretion disks of material spiraling into black holes give off X-rays.

螺旋状进入黑洞的吸积盘会发出 X 射线。

Veritasium真理元素

So when you're looking at a black hole that is feeding, the innermost edge of the accretion disk is at r-isco.

当看到正在吞噬恒星的黑洞时,吸积盘内边缘就是ISCO。

分钟物理

Many exoplanets' star systems are flat, a lot of galaxies are flat, black hole accretion disks are flat, Saturn's rings are flat, etc.

很多系外行星的恒星系统是平的,许多星系是平的,黑洞吸积盘是平的,土星环是平的,等等。

Crash Course 天文篇

Active galaxies can look pretty different from each other, and we now think that's due to our viewing angle on their accretion disk.

活动星系之间可能看起来非常不同,我们现在认为这是由于我们观察它们吸积盘的角度不同造成的。

Crash Course 天文篇

If the accretion disk is tipped a bit to out line of sight we see more optical and high energy light from it.

如果吸积盘向我们的视线外倾斜一点,我们就能从它那里看到更多的高能光。

Crash Course 天文篇

This then mimics what happens in a hypernova: it becomes an accretion disk, heated to ridiculous temperatures, blasting out those beams of matter and energy.

它变成一个吸积盘,被加热到荒谬的温度,喷出那些物质和能量束。

Crash Course 天文篇

This material forms a flat disk called an accretion disk, the matter swirling madly at ferocious speeds before falling in like water down a bathtub drain.

这些物质形成了一个被称为吸积盘的扁平圆盘,在像浴缸排水管中的水一样下落之前,这些物质会以惊人的速度疯狂旋转。

学科图谱 天文篇

So the accretion disk is nearly sixty  times more violent than a burning star.

因此,吸积盘的剧烈程度几乎比燃烧恒星的剧烈程度高出 60 倍。

Veritasium真理元素

Though I guess you could also have spins down to -1 if the black hole is spinning in the opposite direction from the accretion disk.

当黑洞自旋与吸积盘旋转方向相反时,这个数也可以降到-1。

学科图谱 天文篇

The first was from x-ray astronomy as the radiation from the accretion disk is mostly x-ray  radiation.

第一个来自 X 射线天文学,因为来自吸积盘的辐射主要是 X 射线辐射。

学科图谱 天文篇

Often accretion disks are accompanied  by relativistic jets, which emit even higher energy particles and radiation than  from the accretion disk.

吸积盘通常伴随着相对论性喷流,它们发射出比吸积盘更高能量的粒子和辐射。

学科图谱 天文篇

Finally, the incredible gravity around a  black hole leads to interesting gravitational lensing effects on the accretion disk  resulting in this familiar image.

最后,黑洞周围令人难以置信的引力导致了吸积盘上有趣的引力透镜效应,从而产生了这张熟悉的图像。

Crash Course 天文篇

When the core of a VERY massive star collapses, forming a black hole, the material just outside the core falls down, forming an incredibly hot swirling maelstrom called an accretion disk.

当一个非常大的恒星的核心坍塌,形成黑洞时,核心外的物质会下降,形成一个非常热的漩涡,称为吸积盘。

Crash Course 天文篇

Black holes don't generate a lot of energy unless they happen to suck down a large amount of material that can be torn apart and turned into an accretion disk.

黑洞不会产生很多能量,除非它们碰巧吸收了大量的物质,这些物质可以被撕成吸积盘。

中文百科

吸积盘

 NGC 4261黑洞
X射线双星系统中的巨星-吸积盘示意图
animations of black hole accretionThis animation of supercomputer data takes you to the inner zone of the accretion disk of a stellar-mass black hole.This video shows an artist’s impression of the dusty wind emanating from the black hole at the centre of galaxy NGC 3783.

吸积盘accretion discaccretion disk)是一种由弥散物质组成的、围绕中心体转动的结构(常见于绕恒星运动的盘状结构)。比较典型的中心体有年轻的恒星、原恒星(protostar)、白矮星、中子星以及黑洞。在中心天体引力的作用下,其周围的气体会落向中心天体。假如气体的角动量足够的大,以致在其落向中心天体的某个位置处,其离心力能够跟中心天体的引力相抗衡,那幺,一个类似于盘状的结构就会形成,这种结构就叫做“吸积盘”。在吸积盘中,物质通过较差转动及粘滞向外传递角动量。在这个过程中,气体所携带的引力能得到释放。这些释放的引力能会加热吸积盘中的气体,导致气体向外辐射。计算表明,气体辐射的主要频率(或气体的温度)与中心天体的质量有关。若中心天体为年轻的恒星或者原恒星,那幺吸积盘辐射多半处于红外区,而中子星及黑洞产生的吸积盘的辐射多半处于光谱的X-射线区域。

英语百科

Accretion disk 吸积盘

Image taken by Hubble space telescope of what may be gas accreting onto a black hole in elliptical galaxy NGC 4261
animations of black hole accretionThis animation of supercomputer data takes you to the inner zone of the accretion disk of a stellar-mass black hole.This video shows an artist’s impression of the dusty wind emanating from the black hole at the centre of galaxy NGC 3783.
Artist's conception of a black hole drawing matter from a nearby star, forming an accretion disk.

An accretion disk is a structure (often a circumstellar disk) formed by diffused material in orbital motion around a massive central body. The central body is typically a star. Gravity causes material in the disk to spiral inward towards the central body. Gravitational and frictional forces compress and raise the temperature of the material causing the emission of electromagnetic radiation. The frequency range of that radiation depends on the central object's mass. Accretion disks of young stars and protostars radiate in the infrared; those around neutron stars and black holes in the X-ray part of the spectrum. The study of oscillation modes in accretion disks is referred to as diskoseismology.

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更新时间:2025/6/18 19:48:33