The Entire Warhammer 40K Solar System Explained in One Video

Welcome to a full exploration of what the Solar System looks like in Warhammer 40K — from Terra and Luna, through Mars and the Mechanicus forge worlds, all the way to the outer planets fortified by the Imperium.
In this video, we break down every planet, moon, fortress, and faction that shapes the most defended star system in the galaxy.

You’ll learn:
🌍 How Terra functions in the 41st Millennium
🌕 What purpose Luna serves as a militarized moon
🔧 Why Mars is the technological heart of the Imperium
🛡️ How Battlefleet Solar defends the system
👑 What makes the Sol System nearly impossible to invade
🪐 How Saturn, Jupiter, Titan, and Pluto fit into Imperial defense
⚔️ And how ancient wars shaped the system we know today

This guide explains not just what the Solar System looks like in Warhammer 40K, but why it was transformed into the Imperium’s ultimate fortress.

If you’re interested in lore, worldbuilding, or exploring the grimdark future of the 41st Millennium — this video is for you.

0:00 Intro
4:09 Mercury
10:24 Venus
16:15 Terra (Earth)
26:48 Luna (Moon)36:10 Mars
47:51 The Asteroid Belt
49:00 Jupiter
53:25 Jupiter’s moons
1:05:03 Saturn
1:07:15 Saturn’s moons
1:18:29 Uranus
1:25:55 Neptune
1:31:27 Pluto and Beyond
1:44:18 Conclusion

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