nebula
美 [ˈnebjələ] 
英 [ˈnebjʊlə]
- n.【天】星云；【医】角膜翳
- 网络喷雾剂；云翳；角膜云翳
词形变化
复数：nebulas 复数：nebulae
英汉双解
1. | 星云；外观似星云的星系a mass of dust or gas that can be seen in the night sky, often appearing very bright; a bright area in the night sky caused by a large cloud of stars that are far away |
英汉解释
英英解释
例句
Infrared observations indicate that this nebula may contain complex carbon molecules known as PAHs.
红外观测器还发现这个星云可能含有叫作多环芳烃的复杂碳分子。
Previously, almost all solar systems seemed to be engulfed by a nebula and there was very little black in the sky around you.
以前，差不多所有恒星系都在星云之中，只有少量星空是黑暗的。
Most scientists believe that the solar system formed from a Nebula of gas, dust and ices, that turned into a disk around the developing sun.
大部分科学家认为太阳系是由包含气体、星尘和冰的星云构成，它们像圆盘一样围绕在膨胀的太阳周围。
Few astronomical sights excite the imagination like the nearby stellar nursery known as the Orion Nebula.
很少有天文景观能像这个邻近的星星育婴房-著名的猎户座星云-激发著人类的想像力。
The name stuck even though the opposite turned out to be true: this type of nebula consists of gas molted from dying stars.
这个名字从此流传下来，即使事实真相刚好相反：这类星云是由濒死恒星所崩落的气体构成的。
Explanation: One of the most identifiable nebulae in the sky, the Horsehead Nebula in Orion, is part of a large, dark, molecular cloud.
解说：这是天空中最易辨认的星云之一。猎户中的马头星云是一个巨大的黑暗分子云的一部分。
Pictured above is one of several striking dust pillars of the Eagle Nebula that might be described as a gigantic alien fairy.
上图为鹰状星云若干突出的尘埃柱之一，就像是一个巨大的外星精灵。
The dark shape was once assumed to be an obscuring dust cloud seen in silhouette against the bright reflection nebula.
在过去，这个暗色天体曾被认为是个尘埃星云，因为遮掩了后方明亮反射星云的光，而以剪影的形式现踪。
It is one of the best examples of a planetary nebula and a favorite target of amateur astronomers.
它是行星状星云的最好范例之一，也是业余天文爱好者最喜欢观测的目标之一。
l Nebula (plural nebulae) was the word once used for and fuzzy patch of light in the night sky.
l星云这个名称，过去曾经用来泛指夜空中那些发亮的小块区域。
The general shape of the average nebula is that of a thin circular disk somewhat thick in the center.
星云最常见的形状是中间较厚边缘较薄的圆盘。
In the nebula's very center lies a pulsar: a neutron star as massive as the Sun but with only the size of a small town.
在星云的正中心有一个脉冲星：一个中心星，它拥有和太阳类似的质量而只有一个小村庄那么大。
It is within this sort of psychic nebula that the sense of core weight and flowering lightness originate.
核心重量跟开花的轻盈，就开始于这种心理的朦胧星云的范围内。
So most people, you know, kind of have no idea of the difference between like, an emission nebula and a planetary nebula.
这和实际的频率和规模几乎是一样的。大多数人都分不清发射星云和环状星云之间的区别。
A bit of mould is a pleiad of flowers; a nebula is an ant-hill of stars.
一粒霉菌是一簇美不胜收的花朵，一撮星云是无数天体的蚁聚。
About 5 light-years long and a mere 800 light-years away, the Pencil Nebula is only a small part of the Vela supernova remnant.
约5光年长，仅800光年远，铅笔星云是船帆座超新星残骸的一小部分。
In the nebula's very center lies a pulsar: aneutron star as massive as the Sun but with only the size of a smalltown.
在星云的正中心有一个脉冲星：一个中子星，它拥有和太阳类似的质量而只有一个小村庄那么大。
Like brush strokes on a canvas, ridges of color seem to flow across the Lagoon Nebula, a canvas nearly 3 light-years wide.
就如同画布上的笔触，浓重的色带流过泻湖星云，而这张画布几乎有3光年宽。
Were the Tarantula Nebula at the distance of the Orion Nebula -- a local star forming region -- it would take up fully half the sky.
假如狼蛛星云在猎户座星云——一个本地（银河系内）恒星形成区——的位置上，它将占据半个天空。
Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core.
Messier27（M27）是个气体发射星云的典型例子，它是由于类似太阳的恒星耗尽了其核心的核燃料而产生的。
Many objections can be raised to this picture of planetary nebula formation.
形成行星状星云的这一图像可能会引起许多异议。
The Great Nebula is a cloud of glowing gas centered on four hot, blue stars located about 1, 500 light-years from the earth.
这个大星云是以离地球大约1500光年的四颗很热的蓝星为中心的发光气体云。
Also visible, near the bottom of the image, is ten light-year long pillar sometimes dubbed the Fairy of Eagle Nebula .
此外，靠近影像底部有十根长度将近一光年的气柱，它们有时被戏称是老鹰星云的仙女。
Explanation: Connecting the Pipe Nebula to the bright star Antares is a flowing dark cloud nicknamed the Dark River.
说明：连接烟斗星云和明亮的心大星的是一条黑暗的云带，被昵称为暗河。
Explanation: By starlight this eerie visage shines in the dark, a crooked profile evoking its popular name, the Witch Head Nebula.
女巫头星云得名于它那在黑暗中时隐时现的阴森的面容，它那畸变得外形让它得到了这么一个外号。
An unexpectedly varying Crab Nebula might have affected any research that used the Crab as a standard or a calibration tool.
而现在，突如其来的蟹状星云辐射波动现象必将影响任何一个将其作为标准或校准工具的研究项目。
This radiation and solar wind began to push out the remaining dust and gas of the nebula, sweeping the Solar system clean.
这些太阳和辐射能量将星云残馀的尘粒和气体扫荡一空，留下一个纯净的太阳系。
Explanation: The sands of time are running out for the central star of this hourglass-shaped planetary nebula.
说明：在这个沙漏状的行星状星云中，时间之砂正从中央的恒星之中流失殆尽。
Explanation: In one of the brightest parts of Milky Way lies a nebula where some of the oddest things occur.
说明：在银河系内最明亮的部分之一，有一个星云那里正发生着一些最奇怪的事情。
They tower above the surface of a molecular cloud on the edge of the nebula.
它们从星云底部的一片分子云表面耸立而出。
Just below the Southern Cross on the far left is the dark Coal Sack Nebula, and the bright nebula on the far right is the Carina Nebula.
南十字座左下方的是黑暗的煤袋星云，而最右侧明亮的星云是船底座星云。
Each dragon tends to observe a particular nebula and will eventually change their colors and patterns to match it.
每条龙都有自己观察的特定星云，并且改变本身的颜色和图案好配合它。
Many famous sites in our Galaxy are visible, including the Pipe Nebula and the Dark River to Antares, seen to the right of the Milky Way.
图中还能看到银河系中的许多著名景点，包括烟斗星云和流向心宿二的暗河，它们就在银河的右边。
The material of this nebula was more than 99% hydrogen and helium, the two simplest elements.
星云中含有超过99%氢和氦，这些元素在宇宙形成之初就已经存在。
This Hubble Space Telescope image reveals "The Cat's Eye Nebula" to be one of the most complex "planetary nebulae" known.
哈勃望远镜拍到的这张“猫眼状星云”是当前所知最复杂的“行星星云”之一。
Explanation: Bright blue stars are still forming in the dark pillars of the Eagle Nebula.
说明：明亮的蓝色恒星仍不停地在老鹰星云内黑暗气柱中形成。
This new Hubble photo is but a small portion of one of the largest seen star-birth regions in the galaxy, the Carina Nebula.
这幅哈勃最近拍摄的照片只是星系中最大规模的可见恒星诞生区域-船底座-之中一小部分。
If the cloud is visible, we call it a nebula. An example is the Eagle nebula below.
假若这些星际物质可以看得到，我们便称之为星云，下图是著名的鹰星云
As if to don a crown of heavenly jewels, the Cone Nebula rises 7 light-years into the Monoceros constellation.
麒麟座内升起的锥状星云，高度达到7光年，外形好似一个镶满宝石的王冠。
You know, they say that you can see the Crab Nebula. Wow, look. . .
你知道吗，据说可以看到蟹状星云…哇，你看。
In the heart of monstrous Tarantula Nebula lies huge bubbles of energetic gas, long filaments of dark dust, and unusually massive stars.
在巨大的蜘蛛星云心脏地带，存在着活动剧烈的气泡，长丝状暗尘云，和不寻常的大质量恒星。
To the left of the Horsehead Nebula, visible as the small dark indentation near the image top, is the photogenic Flame Nebula.
在马头星云的左部，在图片的顶部附近可以看到细小黑暗的锯齿状物，那就是上镜的火焰星云。
