The Foundation is a group of scientists and engineers who are tasked with preserving the knowledge of the Galactic Empire after its fall.

Arrakis, also known as Dune, is the desert planet where the spice melange is found. Melange is a valuable resource that grants extended lifespan, heightened awareness, and prescience to those who consume it.

The Galactic Empire is the authoritarian government that rules the galaxy in the Star Wars series. It is led by Emperor Palpatine and Darth Vader.

Terra is the planet where the Ekumen, a galactic organization dedicated to promoting peace and understanding among different worlds, is headquartered.

The First Manticore-Haven War is the interstellar war between the Star Kingdom of Manticore and the People's Republic of Haven that takes place in the Honorverse series.

The Alliance is the interstellar alliance of human worlds in the Alliance-Union universe. It is opposed by the Union, an interstellar empire of alien species.

The Minds are the advanced artificial intelligence that governs the Culture. They are responsible for maintaining the Culture's technological and social infrastructure.

Hyperion is the planet where the Shrike, a mysterious and deadly creature, is located. The Shrike is a powerful being that is said to be able to grant wishes, but at a terrible price.

The Inhibitors are the alien species that is responsible for the collapse of the Amarantin Empire. They are a powerful and enigmatic race that is dedicated to preventing the spread of advanced technology.

The Commonwealth is the interstellar commonwealth of human worlds in the Commonwealth Saga series. It is a vast and powerful organization that spans across the galaxy.

Barrayar is the planet where the Vorkosigans, a noble family, reside. It is a harsh and unforgiving world, but it is also the home of a proud and resilient people.

Vatta's War is the interstellar war between the Republic of Vatta and the Kingdom of Kadesh. It is a long and bloody conflict that has devastating consequences for both sides.

The Radch is the alien species that is composed of sentient starships. They are a powerful and expansionist empire that has conquered many worlds.

The Polity is the interstellar polity of human worlds in the Polity series. It is a vast and powerful organization that spans across the galaxy.

The Merchant Princes is the interstellar trading empire that is ruled by the Merchant Princes. It is a vast and powerful organization that spans across the galaxy.