“A binary planetary system, also known as twin or sister planets, were planets whose features...Binary planetary system
“A rogue planet was a planet which wandered through space instead of orbiting a star. Mondas...Rogue planet
“Not to be confused with the DYD novel, Dark Planet. Dark planets were worlds which received...Dark planet
“Gas giants were planets that were not composed primarily of rock. Bel Geewin Indra Jupiter...Gas giant
“A breeding planet was a planet utilised by a spacefaring species for the sole function of...Breeding planet
“A leisure planet or Leisure world was a planet dedicated to relaxation and vacation. The first...Leisure planet
This category has the following 5 subcategories, out of 5 total.