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Fleet of Worlds

Fleet of Worlds

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Fleet of Worlds are both a location and a book in Larry Niven
Larry Niven
Laurence van Cott Niven / ˈlæri ˈnɪvən/ is an American science fiction author. His best-known work is Ringworld , which received Hugo, Locus, Ditmar, and Nebula awards. His work is primarily hard science fiction, using big science concepts and theoretical physics...

's Known Space
Known Space
Known Space is the fictional setting of some dozen science fiction novels and several collections of short stories written by author Larry Niven. It has also in part been used as a shared universe in the Man-Kzin Wars spin-off anthologies sub-series....


The series consisting of this book and its sequels is referred to by the same title.


The novel, co-written by Niven and Edward M. Lerner
Edward M. Lerner
Edward M. Lerner is a US author of science fiction and techno-thrillers.As of 2010 he has published eight books. Three solo novels, one short story collection, and four novels co-authored with Larry Niven in the Known Space universe...

, was released in 2007. It is set shortly after the events of the short story "At the Core
At the Core (story)
"At the Core" is an English language science fiction short story written in 1966 by Larry Niven. It is the second in the series of Known Space stories featuring crashlander Beowulf Shaeffer...

", and was followed by three sequels by the same authors -- Juggler of Worlds
Juggler of Worlds
Juggler of Worlds is the sequel novel to Fleet of Worlds by Larry Niven and Edward M. Lerner.It is set in the Known Space universe. Most of the book revisits earlier stories...

in 2008, Destroyer of Worlds
Destroyer of Worlds (novel)
Destroyer of Worlds is a novel set in the Known Space series, by Larry Niven and Edward M. Lerner. It is a sequel to their previous novels, Fleet of Worlds and Juggler of Worlds...

in 2009, and Betrayer of Worlds
Betrayer of Worlds
Betrayer of Worlds is a novel set in the Known Space series, by Larry Niven and Edward M. Lerner. It is a sequel to their previous novels, Fleet of Worlds, Juggler of Worlds, and Destroyer of Worlds., and is set 70 years before Ringworld....

in 2010. The story concerns the independence of New Terra from the Concordance. It also is the exposition of the Gwo'th.


The Fleet of Worlds are the home planets of the Pierson's Puppeteer
Pierson's Puppeteer
Pierson's Puppeteers, often known just as Puppeteers, are a fictional alien race from American author Larry Niven's Known Space books.- Biology and sociology :...

 race. They consist of the actual homeworld, called "Hearth", and its agricultural worlds, arranged in a pentagonal Klemperer rosette
Klemperer rosette
A Klemperer rosette is a gravitational system of heavier and lighter bodies orbiting in a regular repeating pattern around a common barycenter. It was first described by W. B...

. They moved their worlds into this formation when their home star turned into a red giant
Red giant
A red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution. The outer atmosphere is inflated and tenuous, making the radius immense and the surface temperature low, somewhere from 5,000 K and lower...

, using an inertialess, reactionless drive purchased at great price from the Outsiders
Outsider (Known Space)
The Outsiders are a fictional alien race in Larry Niven's Known Space series. They are many-limbed beings that are invariably described as a cat o'nine tails with a fattened handle...

. After the discovery that the core of the galaxy is exploding, the Puppeteers turned the fleet towards the Magellanic Clouds
Magellanic Clouds
The two Magellanic Clouds are irregular dwarf galaxies visible in the southern hemisphere, which are members of our Local Group and are orbiting our Milky Way galaxy...

, gradually reaching a speed of 80% lightspeed. Although the Puppeteers have Faster-than-light
Faster-than-light communications and travel refer to the propagation of information or matter faster than the speed of light....

technology they prefer to travel at safer, sub-light speeds.

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