单词interstellar medium
n.: 星际物质
网络: 星际介质；星际云气；星际间物质
Interstellar Medium: What astronomers call all that stuff between the stars.
星际介质：即天文学家所称的恒星间的物质。
In the disk of our Milky Way Galaxy about 10 percent of visible matter is in the form of gas, called the interstellar medium (ISM).
在我们碟形的银河系中约有10%的可见物质以气态存在，被称为星际介质（ISM）。
What new information have we gleaned about the comparatively dense gas-dust complexes of the interstellar medium over the past dozen years?
过去的十几年里，有关星际介质的较密气尘复合体我们探明了哪些新东西呢？
Mixing with the interstellar medium, the dust could ultimately form rocky terrestrial planets like Earth.
星尘与星际介质混合在一起，最终形成了岩石状的类地行星，例如我们的地球。
Supernovaexplosions also enrich the interstellar medium with new chemical elements, which are incorporated into future generations of stars.
超新星爆发同时用新的化学元素充实星际物质，并成为下一代恒星的一部分。
All together, the atoms, ions, and free electrons form the "interstellar medium" through which radio signals must pass.
外星无线电信号要通过的就是由这些原子、离子和自由电子合在一起组成的星际介质。
The outer layers of the star crashed into the interstellar medium, driving a shock wave that is still visible today.
这颗星的外层撞到星际物质，由其产生的冲击波至今仍然可见。
A star is formed when a cloud of gas collapses from the interstellar medium toward high density.
一个气体云自星际物质中坍缩，密度达到很高时，即形成了一个恒星。
The shock acts as a searchlight by revealing the structure of the interstellar medium.
冲击波能揭示出星际介质的结构，扮演着探照灯的角色。
Numerical Simulations of the Interstellar Medium during Galaxy Formation
星际介质在星系形成数值模拟中的作用