Star | 恒星

 

This course covers key aspects of stellar science, including the measurement of stellar properties such as distance, brightness, and color. It explores stellar evolution, from star formation to different evolutionary stages and their cosmic impact. The course also examines binary star systems, methods for measuring their properties, and the discovery and classification of exoplanets. Additionally, it introduces star clusters, their formation, and their role in the structure of the Milky Way. Finally, the course delves into the interstellar medium and accretion processes, focusing on the composition of interstellar matter and its effects on celestial body formation.

 

本课程涵盖了恒星科学的关键方面，包括恒星属性的测量，如距离、亮度和颜色。探讨了恒星的演化过程，从星际云的形成到不同的演化阶段及其对宇宙的影响。课程还研究了双星系统、测量其属性的方法以及系外行星的发现与分类。此外，还介绍了星团及其形成对银河系结构的作用。最后，课程深入探讨了星际介质和吸积过程，关注星际物质的组成及其对天体形成的影响。

Measurement of Stellar Properties 恒星属性测量

  • Learn methods for measuring star distances, including parallax method, magnitude method, etc.
    学习测量恒星距离的方法，包括视差法、星等法等。

  • Explore methods of measuring the brightness and colour of stars and their effects on stellar properties.
    探讨测量恒星亮度和颜色的方法，以及它们对恒星属性的影响。

  • Do some practical exercises in measuring and calculating stellar properties.
    进行一些实际的恒星属性测量和计算练习。

Stellar Evolution 恒星演化

  • Introduction to star formation processes, including nebula collapse and protostar formation.
    介绍恒星的形成过程，包括星云坍缩和原恒星形成。

  • Learn about the different stages of stellar evolution, such as pre-main sequence stars, main sequence stars, giant stars, white dwarfs, etc.
    学习恒星演化的不同阶段，如前主序星、主序星、巨星、白矮星等。

  • Explore the impact of energy released during stellar evolution on the universe.
    探讨恒星演化过程中释放的能量对宇宙的影响。

Binary Star Systems and Exoplanets 双星系统与系外行星

  • Understand the different types of binary star systems, including apparent binaries, physical binaries, etc.
    了解双星系统的不同类型，包括视双星、物理双星等。

  • Learn methods for measuring the mass and orbit of binary star systems, such as the Doppler shift method.
    学习测量双星系统质量和轨道的方法，如多普勒频移法等。

  • Explore how exoplanets are discovered and classified, and their implications for the existence of life.
    探讨系外行星的发现方法和分类，以及它们对生命存在的意义。

Star Clusters and Milky Way Structure 星团与银河系结构

  • Introduce the different types of star clusters, including globular clusters, open clusters, etc.
    介绍星团的不同类型，包括球状星团、开放星团等。

  • Discuss the formation and evolution of star clusters and their impact on the structure of the Milky Way.
    讨论星团的形成和演化过程，以及它们对银河系结构的影响。

  • Learn how to measure the mass, age, and distance of star clusters to gain a deeper understanding.
    学习测量星团质量、年龄和距离的方法，加深理解。

Interstellar Medium and Accretion Process 星际介质与吸积过程

  • Explore the composition and properties of the interstellar medium, including gas, dust, etc.
    探讨星际介质的组成与性质，包括气体、尘埃等。

  • Learn about the effects of the interstellar medium on interstellar matter, such as the formation and evolution of nebulae.
    学习星际介质对星际物质的影响，如星云的形成与演化。

  • Understand the basic concepts of accretion processes, including spherical and disk accretion, and their impact on the formation of celestial bodies.
    了解吸积过程的基本概念，包括球状和盘状吸积，及其对天体形成的影响。