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57 relations: Active structure, Alexander Bolonkin, American Astronautical Society, Apsis, Atmosphere, Belt (mechanical), Cable transport, Chain fountain, Curie temperature, Delta-v, Earth, Eddy current, Electromagnetic suspension, Escape velocity, Ferromagnetism, G-force, Geosynchronous orbit, Gravity assist, Iron, Joule, Journal of the British Interplanetary Society, Keith Lofstrom, Kelvin, L5 Society, Lariat chain, Low Earth orbit, Maglev, Magnetic levitation, Mass driver, Meander, Megascale engineering, Moon, Non-rocket spacelaunch, Nuclear weapon, Orbit, Orbital mechanics, Orbital ring, Orbital spaceflight, Orbital speed, Paul Birch (writer), Robert L. Forward, Rocket, Rocket engine, Skyhook (structure), Space colonization, Space elevator, Space exploration, Space fountain, Space gun, Space tether, ..., Space tourism, Spacecraft, StarTram, TNT equivalent, Van Allen radiation belt, Watt, 1,000,000,000. Expand index (7 more) »
Active structure
An active structure (also known as a smart or adaptive structure) is a mechanical structure with the ability to alter its configuration, form or properties in response to changes in the environment.
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Alexander Bolonkin
Alexander Alexandrovich Bolonkin (Алекса́ндр Алекса́ндрович Боло́нкин, born 14 March 1933, Perm) is a Russian-American scientist and academic who worked in the Soviet aviation, space and rocket industries and lectured in Moscow universities, before being arrested in 1972 by the KGB as a dissident.
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American Astronautical Society
Formed in 1954, the American Astronautical Society (AAS) is an independent scientific and technical group in the United States dedicated to the advancement of space science and space exploration.
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Apsis
An apsis (ἁψίς; plural apsides, Greek: ἁψῖδες) is an extreme point in the orbit of an object.
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Atmosphere
An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.
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Belt (mechanical)
A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel.
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Cable transport
Cable transport is a broad class of transport modes that have cables as the foundation for transporting things or people, often in vehicles called cable cars.
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Chain fountain
The chain fountain phenomenon, also known as the self-siphoning beads or the Mould effect, is a counterintuitive physical phenomenon observed with a chain of beads placed inside a jar, when one end of the chain is yanked from the jar and is allowed to fall to the floor beneath.
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Curie temperature
In physics and materials science, the Curie temperature (TC), or Curie point, is the temperature above which certain materials lose their permanent magnetic properties, to be replaced by induced magnetism.
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Delta-v
Delta-v (literally "change in velocity"), symbolised as ∆v and pronounced delta-vee, as used in spacecraft flight dynamics, is a measure of the impulse that is needed to perform a maneuver such as launch from, or landing on a planet or moon, or in-space orbital maneuver.
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Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
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Eddy current
Eddy currents (also called Foucault currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor due to Faraday's law of induction.
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Electromagnetic suspension
Electromagnetic suspension (EMS) is the magnetic levitation of an object achieved by constantly altering the strength of a magnetic field produced by electromagnets using a feedback loop.
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Escape velocity
In physics, escape velocity is the minimum speed needed for an object to escape from the gravitational influence of a massive body.
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Ferromagnetism
Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets.
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G-force
The gravitational force, or more commonly, g-force, is a measurement of the type of acceleration that causes a perception of weight.
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Geosynchronous orbit
A geosynchronous orbit (sometimes abbreviated GSO) is an orbit around Earth of a satellite with an orbital period that matches Earth's rotation on its axis, which takes one sidereal day (23 hours, 56 minutes, and 4 seconds).
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Gravity assist
In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist maneuver, or swing-by is the use of the relative movement (e.g. orbit around the Sun) and gravity of a planet or other astronomical object to alter the path and speed of a spacecraft, typically to save propellant and reduce expense.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Joule
The joule (symbol: J) is a derived unit of energy in the International System of Units.
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Journal of the British Interplanetary Society
The Journal of the British Interplanetary Society (JBIS) is a monthly peer-reviewed scientific journal that was established in 1934.
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Keith Lofstrom
Keith Lofstrom is an American electrical engineer.
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Kelvin
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
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L5 Society
The L5 Society was founded in 1975 by Carolyn Meinel and Keith Henson to promote the space colony ideas of Gerard K. O'Neill.
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Lariat chain
A Lariat chain is a loop of chain that hangs off, and is spun by a wheel.
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Low Earth orbit
A low Earth orbit (LEO) is an orbit around Earth with an altitude of or less, and with an orbital period of between about 84 and 127 minutes.
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Maglev
Maglev (derived from magnetic levitation) is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track as in levitation (hence Maglev, Magnetic-levitation), then another set to move the 'floating train' ahead at great speed taking advantage of the lack of friction.
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Magnetic levitation
Magnetic levitation, maglev, or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields.
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Mass driver
A mass driver or electromagnetic catapult is a proposed method of non-rocket spacelaunch which would use a linear motor to accelerate and catapult payloads up to high speeds.
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Meander
A meander is one of a series of regular sinuous curves, bends, loops, turns, or windings in the channel of a river, stream, or other watercourse.
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Megascale engineering
Megascale engineering (or macro-engineering) is a form of exploratory engineering concerned with the construction of structures on an enormous scale.
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Moon
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
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Non-rocket spacelaunch
Non-rocket spacelaunch refers to concepts for launch into space where some or all of the needed speed and altitude are provided by something other than rockets, or by other than expendable rockets.
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Nuclear weapon
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or from a combination of fission and fusion reactions (thermonuclear bomb).
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Orbit
In physics, an orbit is the gravitationally curved trajectory of an object, such as the trajectory of a planet around a star or a natural satellite around a planet.
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Orbital mechanics
Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other spacecraft.
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Orbital ring
An orbital ring is a concept for a space elevator that consists of an artificial ring placed around the Earth that rotates at an angular rate that is faster than the rotation of the Earth.
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Orbital spaceflight
An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least one orbit.
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Orbital speed
In gravitationally bound systems, the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around either the barycenter or, if the object is much less massive than the largest body in the system, its speed relative to that largest body.
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Paul Birch (writer)
Paul Birch (25 May 1956 – 4 July 2012) was a British author, engineer and scientist, who has worked in radioastronomy and satellite communications, and latterly wrote full-time.
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Robert L. Forward
Robert Lull Forward (August 15, 1932 – September 21, 2002) was an American physicist and science fiction writer.
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Rocket
A rocket (from Italian rocchetto "bobbin") is a missile, spacecraft, aircraft or other vehicle that obtains thrust from a rocket engine.
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Rocket engine
A rocket engine uses stored rocket propellant mass for forming its high-speed propulsive jet.
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Skyhook (structure)
A skyhook is a proposed momentum exchange tether that aims to reduce the cost of placing payloads into space.
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Space colonization
Space colonization (also called space settlement, or extraterrestrial colonization) is permanent human habitation off the planet Earth.
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Space elevator
A space elevator is a proposed type of planet-to-space transportation system.
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Space exploration
Space exploration is the discovery and exploration of celestial structures in outer space by means of evolving and growing space technology.
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Space fountain
A space fountain is a proposed form of structure extending into space that, like a space elevator, can extend to geostationary orbit, but does not rely on tensile strength for support.
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Space gun
A space gun, sometimes called a Verne gun because of its appearance in From the Earth to the Moon by Jules Verne, is a method of launching an object into space using a large gun- or cannonlike structure.
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Space tether
Space tethers are long cables which can be used for propulsion, momentum exchange, stabilization and attitude control, or maintaining the relative positions of the components of a large dispersed satellite/spacecraft sensor system.
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Space tourism
Space tourism is space travel for recreational, leisure or business purposes.
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Spacecraft
A spacecraft is a vehicle or machine designed to fly in outer space.
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StarTram
StarTram is a proposal for a maglev space launch system.
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TNT equivalent
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.
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Van Allen radiation belt
A Van Allen radiation belt is a zone of energetic charged particles, most of which originate from the solar wind, that are captured by and held around a planet by that planet's magnetic field.
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Watt
The watt (symbol: W) is a unit of power.
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1,000,000,000
1,000,000,000 (one billion, short scale; one thousand million or milliard, yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001.
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References
[1] https://en.wikipedia.org/wiki/Launch_loop
