这个阶段的星云大小与其质量成反比。
The size of the nebula at this stage is inversely proportional to its mass.
当星云因其重力而坍缩时，它旋转得更快，并压扁成一个盘状。
As the nebula collapsed caused by its gravity, it spun faster and flattened into a disk.
难熔的内含物中的那种矿物质，也被认为是最早形成的太阳星云凝结的物质。
The same minerals that occur in refractory inclusions are believed to be the earliest-formed substances to have condensed out of the solar nebula.
它们的确是星云物质组成的团块，其组成物质可能与行星形成时的物质相似。
They are truly lumps of nebular matter, probably similar in composition to the matter from which planets were assembled.
在他大二的时候，他把自己的第一个科幻故事卖给了一家名为《星云》的苏格兰杂志。
During his sophomore year, he sold his first science-fiction story to a Scottish magazine named Nebula.
曾经有人认为，这些基质颗粒可能是原始的星云尘埃，即形成陨石球粒及其内含物的物质。
At one time it was thought that these matrix grains might be pristine nebular dust, the sort of stuff from which chondrules and inclusions were made.
金星云层上方的二氧化硫气体水平显示出巨大且非常频繁的波动。
The level of sulfur dioxide gas above Venus's clouds shows large and very frequent fluctuations.
回飞棒星云的膨胀创造了一种宇宙冰箱，使气体维持其异常的寒冷。
The Boomerang Nebula's expansion creates a kind of cosmic refrigerator, allowing the gases to maintain their unusual cool.
在《复仇者联盟》中，众星云集，必须要阻止雷神的邪恶兄弟洛基设计的可能毁灭世界的计划。
In The Avengers, the all-star ensemble must thwart a possible world-ending scheme devised by Thor's villainous brother Loki.
星云的大部分都被加热到如此极端的温度似乎是不太可能的，而巨大的星云区域不可能这么快就失去热量。
It seems very unlikely that large portions of the nebula were heated to such extreme temperatures, and huge nebula areas could not possibly have lost heat so fast.
天空晴朗，一星星云彩也没有。
看不到一星星云丝。
船底座星系里独特的星云形状。
查看新的关于行星云团的照片。
热恒星的紫外辐射使星云发光。
Ultraviolet radiation from the hot star powers the nebular glow.
天蝎座里巨大的猫爪星云。
这种特征被称为脉冲星云。
我们创造了一座星云！
爱斯基摩星云显然是一个行星星云。
发射星云沙普利斯249弥漫在图像的左上部。
Emission nebula Sharpless 249 fills the field at the upper left.
分析：豆状星云的发光星云气泡。
l天琴座中的环状星云是最著名的行星状星云。
L the Ring nebula in Lyra is the best-known of the planetary nebulae.
恒星正在该暗星云中形成。
这是一座星云！
这是蟹状星云。
蟹状星云脉冲星变慢。
这个绚丽的蓝色是金牛座星系中蟹状星云的脉冲风星云。
In brilliant blue, this is the pulsar wind nebula of the Crab nebula in the constellation of Taurus.
在彩虹星云中，星云尘埃物质围绕着一颗炙热的年轻恒星。
Within the Iris, dusty nebular material surrounds a hot, young star.
也许不是，但那儿能看见两个明亮的发射星云昵称心与灵的发射星云。
Possibly not, but that is where two bright emission nebulas nicknamed Heart and Soul can be found.
也许不是，但那儿能看见两个明亮的发射星云昵称心与灵的发射星云。
Possibly not, but that is where two bright emission nebulas nicknamed Heart and Soul can be found.
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