protostar

protostar

美 　英

• n.〔天〕原恒星
• 网络星空战机；战斗空形战；流星

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 conditions in a protostar resemble far more closely in situation in red giants, most of whose volume is caught up in stormy convection .

原恒星的条件更加类似于红巨星的情形，红巨星体积的大部分都卷入剧烈的对流中。

It was compressed enough to become a protostar but enough material was left over to form planets, moons, asteroids and comets.

压力足够使之形成一颗恒星，剩下的物质形成了行星，卫星，小行星和彗星。

The embryo inside the protostar is less massive than the envelope; most of the mass is still falling inward.

原恒星内部的胚胎的质量比包壳小，大部分物质一直在朝中心落去。

Models of protostar also show that they will have

原恒星的理论模型显示它们会有