查询词典 diffuse nebula

These stars formed about four million years ago from the nebular material and their stellar winds are clearing a hole in the nebula's center, insulated by a layer of dust and hot gas.

这些星星是在约四万年前从星云原料中形成的，而他们的恒星风在星云的中心吹出一个洞，被一层的尘埃与炙热气体所隔离。

These stars formed about four million years ago from the nebular material and their stellar winds are clearing a hole in the nebula's center, insulated by a layer of dust and hot gas.

在大约4百万年前，这些恒星从它周围的星云物质中形成的。它们所发出的恒星风在星云的中心挖出一个空洞，而空洞的边缘有一层由尘埃和炽热气的隔离层。

In the General History of Nature and Theory of the Heavens (1755), Kant laid out the Nebular hypothesis, in which he deduced that the Solar System formed from a large cloud of gas, a nebula.

在《宇宙发展史概论》中，康德提出了&星云假说&，认为太阳系源自一大团气体星云。

These stars formed about four million years ago from the nebular material and their stellar winds are clearing a hole in the nebula's center, insulated by a layer of dust and hot gas.

在四百万年以前，星云物质聚集形成了这些恒星，它们的星风（一种从恒星不断向外运动的物质流，类似于太阳风）在星云中央清理出了一个空洞，这个空洞被一层尘埃和灼热气体所包围隔绝。

In the General History of Nature and Theory of the Heavens (1755), Kant laid ou t the Nebular hypothesis, in which he deduced that the Solar System formed from a large cloud of gas, a nebula.

在《宇宙发展史概论》中，康德提出了&星云假说&，认为太阳系源自一大团气体星云。

In fact, the bright star near the center of this nebula is likely only a few hundred thousand years old, powering the nebular glow as it clears out a cavity in the molecular cloud\'s star forming dust and gas.

实际上，该星云中央附近的明亮恒星的年龄可能仅仅几十万岁，它们引起星云发光并在分子云的恒星形成的尘埃和气体中清扫出一片空洞。

Latin, related to Nebula, nephele, properly vapour, cloud, in art and archaeology signifies a shining light implying great dignity.

拉丁语，与星云，涅斐勒，妥善水汽，云），在艺术和考古学标志着一个光辉轻暗示伟大的尊严。

Meditations of evolution increasingly vaster: of the moon invisible in incipient lunation, approaching perigee: of the infinite lattiginous scintillating uncondensed milky way, discernible by daylight by an observer placed at the lower end of a cylindrical vertical shaft 5000 ft deep sunk from the surface towards the centre of the earth: of Sirius 10 lightyears (57,000,000,000,000 miles) distant and in volume 900 times the dimension of our planet: of Arcturus: of the precession of equinoxes: of Orion with belt and sextuple sun theta and nebula in which 100 of our solar systems could be contained: of moribund and of nascent new stars such as Nova in 1901: of our system plunging towards the constellation of Hercules: of the parallax or parallactic drift of socalled fixed stars, in reality evermoving wanderers from immeasurably remote eons to infinitely remote futures in comparison with which the years, threescore and ten, of allotted human life formed a parenthesis of infinitesimal brevity.

347关于宇宙日益扩大进化的冥想：新月期的月亮，即使在近地点也看不见。从地表向地轴挖掘纵深五千英尺的圆筒状垂直轴，一个观察者呆在轴底儿上，就连白昼也辨认得出那漫无止境、网络状、亮光闪闪、非凝结性的银河。天狼距地球十光年（五七、000、000、000、000英里）；体积大于地球九百倍；大角；岁差运动；有着&猎户&腰带、六倍于太阳的&伐二&以及星云的猎户座，星云中能容纳我们的一百个太阳系；死去的和新生的星宿，例如一九0 一年的那颗&新星&我们的太阳系正朝着武仙座冲去；所谓恒星的视差或视差移动，也就是说，实际上恒星是在不断地从无限遥远的太古朝无限遥远的未来移动着。相形之下，人的寿命充其量才七十年，不过是无限短暂的一段插曲而已。

Some hypothesize that the Moon was formed in the same way as were the planets in the inner solar system (Mercury, Venus, Mars, and Earth)—from planet-forming materials in the presolar nebula.

有些理论家假设，月亮是以太阳系内侧行星（水星、金星、火星、及地球）相同的方式形成的——从前太阳星云内能够形成行星的材料中发展而来的。

This suggestively shaped reflection nebula is associated with the bright star Rigel in the constellation Orion.

其中参宿七不在图内，而是位於星云右边一张照片宽度之外的远处。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。