Extragalactic

Galaxies, their evolution, and the universe beyond the Milky Way.

2 notes

AST2040 Lecture 1: Cosmic Evolution from the Early Universe to Galaxy Formation

AST 2040 第一讲：从早期宇宙到星系形成的宇宙演化总图

A connected introduction to cosmic expansion, primordial structure, dark-matter halos, gas cooling, the first galaxies, and reionization.

33 min readAST2040Lecture 1Galaxy formation

AST 2040 Integrated Notes for Lectures 1–2: From Cosmic Structure Formation to Galaxy Morphology

AST 2040 第一、二讲整合笔记：从宇宙结构形成到星系形态

Integrated AST2040 notes connecting cosmic structure formation, dark-matter halos, and galaxy formation with galaxy morphology, environmental effects, and multiwavelength observations.

Sep 21, 202625 min readAST2040Lectures 1–2Galaxy formationGalaxy morphology