early stellar evolution

用法例句

An introduction is given to a model of the structure and evolution of stars, their distribution in the Hertzsprung-Russel diagram, their formation and early evolution,the evolution from the main sequence for stars of different masses, the final stage of stellar evolution and the resulting white dwarfs, supernova and neutron stars.

文章介绍了恒星结构和演化模型的计算方法 ,恒星在赫罗图中的分布规律 ,恒星的形成和早期演化特性 ,质量不同的各类恒星从主序开始的演化进程 ,恒星演化的晚期阶段和产物 :白矮星、超新星和中子星 。

A supernova is the last stage of stellar evolution,and is a violent astrophysical phenomena.

超新星是恒星演化的最终阶段，是最激烈的天体物理现象。

An understanding of the stellar energy sources is still more vital for the problem of stellar evolution.

弄清恒星的能源对恒星演化的研究是更为关键的问题。

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

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

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。

The stellar s evolutionary features at AGB stage;

恒星在AGB阶段的结构演化及其特征

The core again contracts, and the star's evolution proceeds inexorably to the final state.

恒星核心必将再度收缩，恒星不可抗拒地要演化到最后的状态。

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 metal abundant on structure and evolution model of rotating stars;

金属丰度对转动恒星结构与演化模型的影响

Evolution of stars of all masses takes place on a hydrodynamic time scale.

各种质量的恒星的演化，均以流体力学的时间尺度进行。

These investigators tenaciously argued the evolution of stars downward along the sequence ought to be accompanied by a continuous and very substantial loss of mass.

这些研究者就顽固地争辩说，恒星沿主星序向下的演化，应该伴随着连续的和很显著的质量损失。

A black hole is one of the last options that a star may take.

恒星演变的最后一种可能就是黑洞。

Extrinsic AGB Stars on Wind Accretion Binary Evolution Model

星风吸积双星演化模型下的外赋AGB星

The wave involves the synchronization of stellar orbits.

密度波牵涉到恒星轨道的同步化。

But when more than one planet is tugging at a star, deciphering the meaning of the wobble is complicated.

但是，多个行星牵引一个恒星，解密星体移位的内涵就会复杂化。

To keep(a quantity) constant through physical or chemical reactions or evolutionary changes.

守恒在物理、化学反应过程中或演化过程中保持（一种数量）恒定不变

These stars are sometimes called poulation II stars.

这些恒星有时称为星族Ⅱ恒星。

Our galaxy is a continuously evolving system.

我们的星系是一个不断演化的星系。