The Milky Way is surrounded by more than 50 near neighbour galaxies that make up the Local Group. The two largest galaxies are us and Andromeda, but we also have an often-overlooked third large galaxy in our neighbourhood- the Triangulum Galaxy. This galaxy is like its own mini-Milky Way, containing stars, clouds, clusters, supernova remnants, and satellites. These are the checkpoints in the Triangulum Galaxy which make up our tour today.

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   • Sleeping Space Playlist  

SOUNDTRACK:
All tracks made by CO.AG Music:    / @co.agmusic  
- A Dark Path:    • A Dark Path - Dark Haunting Backgroun...  
- Heart of This Ancient City:    • Background Music inspired by Rome   -...  
- Was This the End or Just the Beginning:    • Orchestral Cinematic Music  -   Was T...  
- Build, Create, Beautify:    • Build Create Beautify   -   Futuristi...  
- As the Sun Sets at the Temple:    • As the Sun sets at the temple - ambie...  
- Northern Lights:    • Northern Lights - Peaceful Ambient Ba...  
- Post Apocalyptic:    • Dark Atmospheric background music. - ...  
- Dark Horror Long Version:    • Dark Horror  -   Background Track - C...  
- Moonlight Over Rome:    • Background Music inspired by Rome   -...  

FOOTAGE:
The space scenes in this video were captured using SpaceEngine Pro, a virtual universe simulator:
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Images are public domain.

SOURCES OF INFORMATION:
- Messier Object 33: https://www.messier-objects.com/messi...
- M-33 and Local Group Neighbourhood: https://wonderdome.co.uk/triangulum-g...
- Radio Survey of M-33: https://articles.adsabs.harvard.edu/p...
- Infrared Microns: https://www.spitzer.caltech.edu/news/...
- Tri III / Pisces VII: https://academic.oup.com/mnras/articl...
- H-II Regions: https://www.britannica.com/science/H-...
- NGC-604: https://www.nasa.gov/mission_pages/ch...
- Instances of Blue Variable Stars: https://adsabs.harvard.edu/full/2011B...
- Var 83: https://articles.adsabs.harvard.edu/p...
- Planetary Nebulae & Supernovae: https://arxiv.org/abs/0709.4211
- M-33 X-7 Black Hole: https://chandra.harvard.edu/photo/200...
- No Supermassive Black Hole in M-33: https://arxiv.org/pdf/astro-ph/010735...

CHAPTERS:
0:00 Introduction
1:19 History of M-33
4:50 Observations of M-33
7:07 Morphology
9:45 Satellite Galaxies
11:43 H-II Regions
14:34 NGC-604
16:21 Resolving M-33's Stars
20:13 Supernovae & Black Holes
22:24 No Supermassive Black Hole?
25:40 Future of the Local Group



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