By comparing the physical parameters of cluster and field galaxies,such as concentration index,specific star formation rate,stellar mass,and metallicity,the star formation properties of galaxies within different gravitational environments are studied.
通过对团星系和场星系的聚度参数、特征恒星形成率、星系中包含的恒星质量、金属丰度等物理参量的比较,研究了处在不同引力环境中星系的恒星形成性质。
The distance to the massive star-forming region W3OH in the Perseus spiral arm of the Milky Way has been measured to be 1.
以地球轨道半径为基线,借助目前世界上最高分辨率的甚长基线干涉阵(VLBA),通过测量英仙臂中大质量恒星形成区W3OH的三角视差,得到了银河系中距离太阳最近的英仙臂的距离为1。
We briefly describe the theories of the formation of massive stars and related observational evidence.
吸积说认为,大质量星可能与小质量星形成于相似的过程;并合说主张大质量星可能是由小质量年轻星碰撞合并而成。
Stellar Mass Function of Lyman Break Galaxies: Theoretical Perspective;
Lyman Break Galaxies的恒星质量函数的理论预期
The black hole could then grow even stronger (from the star's mass) as to possibly absorb another.
吸收了恒星质量之后，黑洞进一步膨大，并有可能吞噬下一颗恒星。
Usually if the star is small in mass, most of the gases will be consumed while some of it escapes.
通常如果恒星质量不大，大多数气体燃烧消耗，部分气体则会逃逸。
High-mass stars emit ultraviolet and blue light, whereas low-mass stars emit yellow and red light.
大质量恒星发出紫外光和蓝光，而小质量恒星则发出黄光与红光。
The explosion flings out perhaps half the star's mass into space.
爆炸也许把恒星的一半质量掷到空间。
Massive stars are hottest in their central regions.
大质量恒星的中心区域温度最高。
TENDENCY TO CLUSTER IN MASSIVE STAR FORMATION
大质量恒星形成时的成团倾向(英)
Black holes are the evolutionary endpoints of stars at least 10 to 15 times as massive as the Sun.
黑洞是恒星演化的终点，这些恒星的质量通常有10－15个太阳大
Spectral Line Observations of Massive Star Forming Regions and Circumstellar SiO Maser;
大质量恒星形成区和恒星SiO脉泽的谱线观测研究
The diameters of stars, unlike their masses, have an enormous range.
恒星的直径不同于它们的质量，相差很大。
THE EVOLUTIONARY TRACK IN THE H-R DIAGRAM OF MODEL STARS OF 1.2 SOLAR MASS
1.2 太阳质量的模型恒星在赫-罗图上的演化程
Influences of the Turbulent Stress on the Structure and Evolution of Intermediate-Mass Stars;
湍流应力对中等质量恒星结构与演化的影响
The Influence of Turbulent Stress on Intermediate-Mass Star with Rotation;
湍流应力对中等质量转动恒星演化的影响
Hot bluish white clusters of massive stars are scattered throughout the galaxy, interspersed with numerous dustier reddish regions of current star formation.
炽热的蓝白色大质量恒星群遍布整个星系，散布在众多充满尘埃略带红色的恒星诞生区中。
A supernova is a violent explosion that happens to the most massive stars.
超新星是指具有超大质量的恒星所产生的猛烈的爆炸。
Asteroseismic Tests of Heavy Element Diffusion in Low-mass Stars;
利用星震学方法探测小质量恒星的重元素扩散效应
In theory, the first step toward producing a millisecond pulsar is the formation of a neutron star when a massive star goes supernova.
理论上，形成一颗毫秒脉冲星的第一步，是一个大质量恒星在成为超新星而爆发后留下的中子星。
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。