Trinary system
From Tardis Wiki, the free Doctor Who reference
A trinary system was a star system where planets orbited three suns. Planets located in trinary systems included Knosson, (PROSE: The Castaway [+]Loading...["The Castaway (short story)"]) Desolation (TV: The Ghost Monument [+]Loading...["The Ghost Monument (TV story)"]) and an unnamed Earth-like planet. (PROSE: The Sour Note [+]Loading...["The Sour Note (short story)"])
