Systems and Worlds Archive

Planet Profile: Quicksilver (The Red World)

Quicksilver life forms can sequester or expel mercury from their bodies in various ways. Many plant

Story Idea: The System

Humanity has discovered and colonized a trinary star system with multiple habitable worlds. Two other alien

Planet Profile: Aegir

Aegir is a FICTIONAL planet with cold brackish seas and comparatively small continents. While very few

Planet of the Telepaths

From the beginning, the people on this planet communicated with gestures, but as time passed new

Sedna – Last Gas for 600 Lightyears

Sedna is the most distant planet from the sun and is smaller even than Pluto. While

Planet Profile: Arethusa

Arethusa is a FICTIONAL planet dominated by large shallow seas and small island continents. Its seas

What’s Really in the Epsilon Eridani System?

After the Alpha Centauri System, Epsilon Eridani is the most mentioned star system in science fiction,

What’s Really in the Alpha Centauri System?

Alpha Centauri is to science fiction what Amsterdam is to teenaged boys; a distant glimmer of

How Many Habitable Planets Can I Fit Into One Star System?

TV shows like Firefly, Battlestar Galactica and Caprica have shown us glimpses of systems packed with