30 hours = one Ringworld day
1 Ringworld rotation = 7? days
75 days = 10 turns = 1 falan
Mass = 2 x l0exp30 grams
Radius = .95 x l0exp8 miles
Circumference = 6 x l0exp8 miles
Width = .997 x l0exp6 miles
Surface area = 6 x l0exp14 square miles = 3 million times the surface area of the Earth
Surface gravity = .992 G (spin)
Spin velocity = 770 miles/second
Rim walls rise inward, 1000 miles.
Star: G3 verging on G2, barely smaller and cooler than Sol
CAST OF CHARACTERS Recent arrivals
Louis Wu: Earth born. First and second Ringworld expeditions.
Teela Brown: Earth born, of a line bred for luck by Piersons puppeteer manipulation. Turned protector in The Ringworld Engineers, and now deceased. First Ringworld expedition.
Nessus: Piersons puppeteer, the Hindmosts partner and mate. Led the first Ringworld expedition.
The Hindmost: Piersons puppeteer, once Chief-in-Command of his species. Led the second Ringworld expedition.
Chmeee, once Speaker-to-Animals: Kzin. First and second Ringworld expeditions.
Roxanny Gauthier: Earth born, Detective-One in the ARM. Served aboard Snail Darter and Gray Nurse.
Oliver Forrestier: Wunderland born, Detective, ARM. Served aboard Snail Darter and Gray Nurse.
Claus Raschid: Earth born, Detective-Two, ARM. Served aboard Snail Darter and Gray Nurse.
Detective-Major Schmidt: Earth born. Served aboard Gray Nurse.
Wes Carlton Wu: Earth born, Flight Captain aboard Koala.
Tanya Haynes Wu, Earth born, Purser aboard Koala.
Ringworlds children
Seeker: species unknown, last seen with Teela Brown.
Acolyte: Kzin, Chmeees exiled son.
Bram: Vampire turned protector, ruler of the Repair Center for countless aeons until killed by Tunesmith with Louis Wus help.
Wembleth: species unknown, Ringworld-born traveler.
Tunesmith: Night Person (Ghoul) turned protector.
Kazarp: Night Person, Tunesmiths son.
Hanuman: Hanging Person turned protector.
Valavirgillin: Machine People, represents Farsight Trading.
Proserpina: surviving Pak protector.
The Penultimate: Pak protector, long dead.
Szeblinda: Hinsh. Giraffe People
Kawaresksenjajok: City Builder
Fortaralisplyar: City Builder
Aerobrake: To shed velocity by passing through a planetary atmosphere.
Antispin: Direction opposite the Ringworlds direction of spin.
Arch: The Ringworld as seen from anywhere on its surface.
ARM: Once the Amalgamation of Regional Militia; for several hundred years, the United Nations armed forces. Jurisdiction was originally limited to Earth-Moon system.
Autodoc: Any system built to perform automated medical operations.
Belter: Citizen of the asteroid belt, Sol system.
Canyon: A world of human space, once Patriarchy property.
Carlos Wus autodoc: An experimental medical system first seen in 'Procrustes'.
Droud: A small device that plugs into the skull of a current addict. Its purpose: to meter a current flow to the pleasure center of the users brain.
Elbow root: A ubiquitous Ringworld plant. Grows as a kind of natural fence.
Experimentalist: A Piersons puppeteer political faction now out of power.
Eyestorm: The pattern of winds that forms above a puncture in the Ringworld floor. A tornado on its side. (Hurricanes and tornadoes are impossible on the Ringworlds flat surface.)
Fleet of Worlds: The homeworld of the Piersons puppeteer species, and four more worlds sequestered for farming, all occupy a Kemplerer rosette moving at near lightspeed.
Flup: Seabottom ooze.
Flycycle: A one- or two-LE flying device.
Fringe War: All the spacegoing species of known space seem to have sent ships to Ringworld system. Bram, when he was in command of the Repair Center, shot them down if they approached too close. Tunesmith hasnt done that, and the Fringe War is currently in a cold state.
General Products: A company owned by Piersons puppeteers that sold mostly spacecraft hulls. Dissolved two hundred years ago.
The Great Ocean: One of two salt seas on the Ringworld, measuring six hundred times the surface area of the Earth.
Grippy: An all purpose hand tool.
Home: A world of human space, unusually Earthlike.
Hot Needle of Inquiry: Second ship (of Experimentalist design) to reach the Ringworld.
Human space: The region of stars explored by humanity.
Known space: The region of the universe known to explorers who communicate with humanity.
LE (Legal Entity): Any entity (human or not, organic or not) legally entitled to civil rights.
Long Shot: Prototype Quantum II hyperdrive spacecraft, first ship to visit the galactic core.
Lying Bastard: First ship (of Experimentalist design) to reach the Ringworld.
Map of Earth (or Mars, Kzin, Kdatlyno, etc.): The Great Ocean is scattered with maps of nearby inhabited worlds at one-to-one scale, complete with local ecologies as of the time the Ringworld was built.
