Cylindrical Planets

Cylindrical Planets

A planet shaped like a cylinder might be built as novel alternative to a spherical or flat discworld. Join this channel to get access to perks: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/join Visit our Website: http://www.isaacarthur.net Join Nebula:...

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The Banks Orbital: God’s Bracelet

The Banks Orbital: God’s Bracelet

The Banks Orbital is a ring-shaped Space Habitat over a million miles across with hundreds of times more living area than the entire Earth. Watch my exclusive video Machine Monitors: https://nebula.tv/videos/isaacarthur-machine-monitors Get Nebula using my link for...

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Quarantined Planets

Quarantined Planets

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Death Worlds

Death Worlds

The galaxy is a harsh place full of desolate and barren planets, but some worlds may be so deadly they actively seek to kill those who dare to travel to them. Watch my exclusive video Topopolis: The Eternal River:...

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Double Planets

Double Planets

Try Cell to Singularity, free to play: https://l.linklyhq.com/l/1uNoF Among the billions and billions of planets and moons in this galaxy, we may encounter many examples of double planets, but what would they be like and could life arise on them? Visit our Website:...

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Fortress Worlds

Fortress Worlds

Learn more about the game and see it in action at https://upperstory.com/spintronics/ Use the coupon code ISAACARTHUR for 10% off your total purchase In some of our greatest wars on this world we have seen entire regions covered in fortifications, but in great wars...

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It’s Never An Earth-like Planet

It’s Never An Earth-like Planet

Astronomers constantly awe us with new exoplanets found around distant stars, but the news often proclaims these worlds Earth-like. Have we found any truly earth-like worlds yet? Colonizing Red Dwarfs: https://youtu.be/Vr5Fap_RTu0 Produced, Written & Narrated by:...

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The Last Planet

The Last Planet

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Ammonia-Based Lifeforms

Ammonia-Based Lifeforms

Get a free bag of fresh coffee with any Trade subscription at https://www.drinktrade.com/isaacarthur Our search for extraterrestrial life assumes alien life based on water and carbon, but could there be biochemistries based on other substances? NSS Townhall...

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BWC Megastructures & Artificial Planets

BWC Megastructures & Artificial Planets

BWC Megastructures are types of hypothetical mega engineering projects, like artificial planets, who scope is vast, but whose practicality is debatable. To find out more about them and other megastructures, see the Megastructure Compendium:...

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Hive Worlds

Hive Worlds

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