protostars

protostars

美 　英

• n.〔天〕原恒星
• 网络原星

词形变化

复数：protostars  

英汉解释

n.

1. 〔天〕原恒星

英英解释

n.	1. an interstellar cloud of gas and dust thought to develop into a star when it has collapsed sufficiently for nuclear reactions to begin

例句

The next step, he says, is to see whether the jets are common to all massive protostars.

他说，下一步就是看看这些‘喷枪’是否在所有的巨型初始恒星都很普遍。

Such embedded, dark, tendril-shaped clouds contain the raw material for star formation and hide protostars within the obscuring cosmic dust.

像这种嵌入式卷须状黑暗星云含有恒星组成的稀有物质，在模糊的星际尘埃中潜藏着原恒星。

At infrared wavelengths the region is less opaque , and cool protostars are expected to emit most of their energy in the infrared .

在红外波长范围，暗云区是较透明的，而冷的原恒星应在红外区发射其能量的大部分。

Protostars are formed by the rotation of matter caused by gravity .

原恒星是由引力导致的物质旋转产生的。

Binary stars develop when two protostars form near each other.

双星系统是从两颗相邻的原恒星发展来的。

By setting different grain size, we can simulate the evolution of protostars' SEDs.

藉由设定不同的尘粒大小，我们可模拟原恒星不同阶段的能谱分布演化。

These stars form from protostars in just 10, 000 to 100, 000 years.

这些恒星只花1万到10万年就结束了原恒星阶段。

Third, it is important to derive from the observations irrefutable evidence that the earliest phases in the evolution of protostars DO occur

第三个重要任务是要由观测得到不可辩驳的证据来证明原恒星演化中的一些最早期现象确实能发生。