- "There are so many! Do they all have a system of planets?"
- ―A nine year-old Anakin Skywalker, looking at the stars
A star was an enormous sphere of immensely hot hydrogen and helium that underwent nuclear fusion[source?] to produce heat and light (in essence, it was a giant ball of plasma). Systems of planets would usually form around stars when the gas and dust around them became stable enough. Stars could come in all sorts of sizes, colors, and temperatures. Most planets were seen orbiting medium mass orange-yellow stars, often called suns.
It was estimated that there were four hundred billion stars in the galaxy. There were 7.1 billion habitable stars in the known galaxy, which made up about 3.2 billion habitable star systems. This means that many systems contained two or more stars. Red dwarfs accounted for approximately 70 percent of the galaxy's stars.
The parts of a star located above its surface were collectively referred to as the atmosphere. They comprised two principal zones: the chromosphere and the corona. The chromosphere was a gaseous, relatively cool layer located immediately above the surface, and the corona was the tenuous, rarefied gaseous outermost part of the atmosphere.
Types of starsEdit
There are seven types of main sequence stars in the galaxy:
- "O" stars were blue and hot, and had a lifespan of less than one million years. There were approximately one hundred million habitable O stars in the galaxy. Example: Garnib.
- "B" stars were white-blue and hot, and had a lifespan of ten million years. There were approximately one hundred million habitable B stars in the galaxy. Example: Kessa.
- "A" stars were white and hot, and had a lifespan of four hundred million to two billion years. There were approximately one hundred million habitable A stars in the galaxy. Example: Colu.
- "F" stars were yellow-white and medium-temperature, and had a lifespan of four billion years. There were approximately one hundred million habitable F stars in the galaxy. Example: Ropagi.
- "G" stars were yellow and medium-temperature, and had a lifespan of ten billion years. There were approximately two billion habitable G stars in the galaxy. Example: Corell.
- "K" stars were orange and cool, and had a lifespan of sixty billion years. There were approximately 3.75 billion habitable K stars in the galaxy. Example: Yavin.
- "M" stars were red and cool, and had a lifespan of approximately one hundred trillion years. They were also called red dwarfs. There were approximately seven hundred million habitable M stars in the galaxy. Example: Barab.
With O stars being the biggest in the sequence, the size decreased gradually to the smallest M stars.
In addition to the main sequence stars, 10 percent of all stars in the galaxy were non-main sequence, of which five hundred million were habitable.
The non-main sequence stars include:
Pre-main sequence (smaller than M stars):
Post main-sequence (bigger than O stars):
- White dwarf. Example: Ardos.
- Black dwarf. Example: The star of the Ring.
- Neutron star. Example: Din Pulsar.
- Black hole. Example: The Maw.
Behind the scenesEdit
The OBAFGKM sequence is the same classification system used for identifying stars from Earth. However, in terms of Earth astrophysics, certain descriptions of stars in the Galaxy Far Far Away are shaky. Scientific bloopers abound such as blue supergiants that exist for long enough for a sentient species to evolve, inexplicably large brown dwarfs or red giants that are stable enough to house a habitable planet. The existence of black dwarfs is also impossible, as the universe is only about thirteen billion years old, and those take trillions of years to form.
Because space travel is a central part of Star Wars, stars appear in many Star Wars works. This a list of media in which stars and suns are specifically mentioned (not including common compounds like "star system", "starship", "starfighter" or "Star Destroyer", or names like "Death Star" or "Black Sun").
- Star Wars: The Roleplaying Game
- The Star Wars Sourcebook
- Star Wars Campaign Pack
- Galaxy Guide 2: Yavin and Bespin
- Galaxy Guide 3: The Empire Strikes Back
- Imperial Sourcebook
- Galaxy Guide 4: Alien Races
- Rebel Alliance Sourcebook
- Planets of the Galaxy, Volume One
- Planets of the Galaxy, Volume Two
- Galaxy Guide 7: Mos Eisley
- Twin Stars of Kira
- Galaxy Guide 8: Scouts
- Dark Empire Sourcebook
- Star Wars Technical Journal, Volume One
- Star Wars Technical Journal
- The Star Wars Planets Collection
- Shadows of the Empire Sourcebook
- The Secrets of Star Wars: Shadows of the Empire
- Star Wars: Shadows of the Empire trading cards (Card: Dash's Secret Getaway)
- Star Wars: Shadows of the Empire trading cards (Card: Millennium Falcon) (Picture only)
- Star Wars: Shadows of the Empire trading cards (Card: Outrider) (Picture only)
- Star Wars: Shadows of the Empire trading cards (Card: Virago) (Picture only)
- Star Wars: Shadows of the Empire trading cards (Card: Swoop) (Picture only)
- Star Wars: Shadows of the Empire trading cards (Card: Slave I) (Picture only)
- Star Wars: Shadows of the Empire trading cards (Card: Dash Attacks Xizor's Skyhook) (Picture only)
- Shadows of the Empire Planets Guide
- "Tasariq: The Crystal Planet"—Star Wars Adventure Journal 15
- Star Wars: The Art of the Brothers Hildebrandt
- Living Force Campaign Guide
- Endor and the Moddell Sector"—Star Wars Gamer 9 "
- Coruscant and the Core Worlds
- Geonosis and the Outer Rim Worlds
- Knights of the Old Republic II: The Sith Lords: Prima Official Game Guide
- The New Essential Guide to Alien Species
- The Essential Atlas
- The Jedi Path: A Manual for Students of the Force
- Book of Sith: Secrets from the Dark Side
- Star Wars: Dawn of the Jedi 0
- The Essential Guide to Warfare
- The Essential Reader's Companion
- Star Wars: Edge of the Empire Core Rulebook
- Star Wars: Force Collection (Card: Dooku (★★★★★))
- Suns of Fortune
- Star Wars: Age of Rebellion Core Rulebook
- Fly Casual
Notes and referencesEdit
- Star on Wikipedia