---
# System prepended metadata

title: Universe
tags: [' Science and Life', ' 通識', NTNU, ' Introduction to Astronomy']

---

---
title: Universe
tags: NTNU, 通識, Science and Life, Introduction to Astronomy
---
# Hubble Tuning Fork
![](https://i.imgur.com/IsV2ms4.png)
- Local Group 
    - Milky way 
        - SBbc
    - M31
        - Sa
    - Dwarf galaxy
        - LMC
        - SMC