You can see nebulae in the clear summer sky.
在晴朗夏夜可以看到天上星。
A bit of mould is a pleiad of flowers;a nebula is an ant-hill of stars.
菌是簇美不胜收花朵，撮星是无数天体蚁聚。
Explanation: Cosmic clouds of hydrogen gas and dust abound in this gorgeous skyscape, stretching through Monocerous in the neighborhood of The Cone Nebula.
在这张绚丽天空美景中，充满了氢气和尘埃组成宇宙星，直延伸到锥形星麒麟座内。
As our nebula began to collapse under its own gravity and spin faster, a dense clump of matter formed in the center. It's called a protostar.
当我们星在自身重力作用下崩溃和更加快速地旋转时，星中心形成了密集物质块。这叫做原恒星。
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And then, there was this image of the Carina Nebula.
这张是船底座星图像。
Those fuzzy spots that he was calling Nebulas were actually far off galaxies.
他称之为星那些模糊斑点实际上离星系很远。
The color of an emission nebula depends on the gas in it and how hot it is.
发射星颜色取决于其中气体和它温度。
Some nebulae are small and dense, others can be dozens or hundreds of light years across.
一些星小而稠密，另一些星径则可达数十或数百光年。
This is Hubble's first picture of the Eagle Nebula, some 6,500 light-years away.
这是哈勃拍摄第一张老鹰星图，距离地球6500光年。
A typical density in a gas nebula is only a few thousand atoms per cubic centimeter.
气体星典密度只有每立方厘米几千个原子。
This time Webb showed us the Pillars of Creation from the vast Eagle Nebula.
这一次，韦伯向我们展示了巨大鹰状星中创造之柱。
From spectral lines, the composition of nebulae.
线看，星组成。
The theory is that there was this cloud in the galaxy that had the same composition of the Sun.
理论上那里有银河系星，和太阳成分一样。
A cloud of agglutinated dust particles, similar to so many similar clusters in the universe.
一团粘聚尘埃颗粒，就像宇宙里面许多类似星。
In 2010 it ran out of the cryogenic coolant that enabled its primary mission of mapping the skies.
2010年其低温冷却剂消耗殆尽，而低温冷却剂是其绘制星地图必备。
The image showed a cloud collection of 50 stars in the process of forming.
这张图片显示了一个由50颗正在形成恒星组成星合。
Stars are born in some nebulae, and create new ones as they die.
恒星在一些星中诞生，并在消亡过程中创造新星。
In " The Starry Night, " his circular brushstrokes create a night sky filled with swirling clouds and eddies of stars.
在《星夜》中，他旋转画笔创造了一个满是旋转星夜空。
A nebula the diameter of the Earth would only have a mass of a few kilograms.
一个径与地球相当星质量只有几公斤。
At the centre of the nebula lies the remnant of the star, its core, crushed by the force of gravity.
在星中心处，这颗恒星星核依然存在着，在引力作用下它已是面目全非。
And small nods of material would have gradually coalesced in this very large cloud.
然后其中微小物质会逐渐凝聚在一起，凝聚在这个巨大星中。
Within the cloudy halls of Carina, Hubble detects the death throes of a massive star.
在船底座星雾遮挠中心，哈勃探测到一个正在死亡巨恒星。
From that measurement they were able to estimate the abundance of ordinary hydrogen, which makes up the bulk of the disk.
通过测量，他们能估算出普通氢气密度，而普通氢气是组成星主要成分。
Your eyes aren't sensitive to the kind of light a nebula produces.
你眼睛对星产生那种光不敏感。
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划词翻译
详细解释
夏夜可以看到天上
。
最终领域 
菌是
径则可达数十或数百光年。
密度只有每立方厘米几千个原子。
线看，
合。
径与地球相当
