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Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224009 - 224047
This paper gives a detailed account of the Gravity Probe B cryogenic payload comprised of a unique Dewar and Probe. The design, fabrication, assembly, and... 
spacecraft | Stanford | NASA | cryogenic payload | Gravity Probe B | GP-B | gyroscope | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Spacecraft | Liquid helium | Space environment | Dewars | Quantum gravity | Assembly | Payloads
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224004 - 224034
The Gravity Probe B (GP-B) gyroscope, a unique cryogenically operated mechanical sensor, was used on-orbit to independently test two predictions of general... 
cryogenic gyroscopes | gyroscope torque | general relativity | Gravity Probe B | space | electrically suspended gyroscopes | patch effect | FIELDS | SATELLITE | PHYSICS, MULTIDISCIPLINARY | ROTOR | ASTRONOMY & ASTROPHYSICS | SILICA | PHYSICS, PARTICLES & FIELDS | Degradation | Spacecraft | Charge | Space environment | Drift | Gyroscopes | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224017 - 224034
The Gravity Probe B (GP-B) satellite was equipped with a pair of redundant Global Positioning System (GPS) receivers used to provide navigation solutions for... 
Gravity Probe B | orbit determination | GPS | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Receivers | Satellite navigation systems | Orbit determination | Real time | Quantum gravity | Global Positioning System | Velocity errors
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 220301 - 220304
A focus issue providing full technical details of Gravity Probe B, a NASA space mission designed to measure the general relativistic precession of orbiting... 
Precession | Gyroscopes | Space missions | NASA | Gravity Probe B | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224012 - 224036
The Gravity Probe B spacecraft, developed, integrated, and tested by Lockheed Missiles & Space Company and later Lockheed Martin Corporation, consisted of... 
spacecraft | space vehicle | Gravity Probe B | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Electric power generation | Thermal protection | Spacecraft | Spacecraft power supplies | Risk | Missions | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224001 - 224029
The Gravity Probe B mission provided two new quantitative tests of Einstein's theory of gravity, general relativity (GR), by cryogenic gyroscopes in Earth's... 
geodetic | cryogenic | frame-dragging | general relativity | Gravity Probe B | space | gyroscope | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Gravitation | Relativity | Data processing | Drift | Gyroscopes | Quantum gravity | Earth orbits
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224006 - 224032
We describe the Gravity Probe B London-moment readout system successfully used on-orbit to measure two gyroscope spin axis drift rates predicted by general... 
general relativity | instrumentation | SQUID | Gravity Probe B | London moment | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Spacecraft | Low noise | Attenuation | Space environment | Drift rate | Gyroscopes | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224003 - 224013
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224016 - 224024
The Gravity Probe B (GP-B) satellite used electrostatically suspended gyroscopes to test two predictions of general relativity. Here, we describe the... 
Gravity Probe B (GP-B) | actuator | general relativity | helium thrusters | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Satellites | Thrusters | Evolution | Gyroscopes | Helium | Translations | Gravity Probe B | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224010 - 224023
The confinement of superfluid helium for a Dewar in space poses a unique challenge due to its propensity to minimize thermal gradients by essentially... 
porous plug | helium Dewar | space cryogenics | GP-B | PHYSICS, MULTIDISCIPLINARY | LIQUID-HELIUM | FLOW | LAMBDA-POINT | HEAT | VAPOR-PRESSURE | ASTRONOMY & ASTROPHYSICS | PHASE SEPARATORS | PHYSICS, PARTICLES & FIELDS | Cooling | Liquid helium | Launches | Risk | Space environment | Dewars | Gravity Probe B | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224013 - 224045
The Gravity Probe B data system, developed, integrated, and tested by Lockheed Missiles & Space Company, and later Lockheed Martin Corporation, included flight... 
software architecture | space vehicle | flight software | ground software | data system | Gravity Probe B | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Communication systems | Software development | Spacecraft | Space environment | Data systems | Missions | Quantum gravity
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 11/2007, Volume 76, Issue 10
It is well-entrenched folklore that all torsion gravity theories predict observationally negligible torsion in the solar system, since torsion (if it exists)... 
GRAVITATIONAL THEORY | GAUGE-THEORY | F(R) GRAVITY | GENERAL-RELATIVITY | SPACE-TIME | SCALAR-TENSOR GRAVITY | METRIC-AFFINE GRAVITY | GEODETIC PRECESSION | ASTRONOMY & ASTROPHYSICS | EINSTEIN-CARTAN | BLACK-HOLES | PHYSICS, PARTICLES & FIELDS
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224015 - 224039
The Gravity Probe B satellite used ultra-precise gyroscopes in low Earth orbit to compare the orientation of the local inertial reference frame with that of... 
spacecraft attitude control | tests of general relativity | GP-B | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Satellites | Attitude control | Stars | Star trackers | Spacecraft | Gyroscopes | Gravity Probe B | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224008 - 224041
The Gravity Probe B spacecraft was launched on 20 April 2004 to measure the geodetic and frame-dragging effects predicted by the theory of general relativity.... 
precision pointing | general relativity | star tracking | telescope | cryogenic | GP-B | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Extrapolation | Tracking | Galaxies | Stars | Telescopes | Missions | Gravity Probe B | Quantum gravity
Journal Article
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 04/2019, Volume 36, Issue 10, p. 105006
Solar system observations have traditionally allowed for very stringent tests of Einstein's theory of general relativity. We here revisit the possibility of... 
frame-dragging | gravity probe B | general relativity | modified theories of gravity | QUANTUM SCIENCE & TECHNOLOGY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224005 - 224035
A spaceflight electrostatic suspension system was developed for the Gravity Probe B (GP-B) Relativity Mission's cryogenic electrostatic vacuum gyroscopes which... 
general relativity | inertial instrumentation | gyroscope | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Suspension systems | Preserves | Spacecraft | Relativity | Gyroscopes | Electrostatics | Gravity Probe B | Quantum gravity
Journal Article
Classical and Quantum Gravity, ISSN 0264-9381, 11/2015, Volume 32, Issue 22, pp. 224007 - 224023
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 02/2015, Volume 91, Issue 4
We consider models of extended gravity and in particular, generic models containing scalar-tensor and higher-order curvature terms, as well as a model derived... 
PRINCIPLE | NONCOMMUTATIVE GEOMETRY | ASTRONOMY & ASTROPHYSICS | SPECTRAL ACTION | NEWTONIAN DYNAMICS | PHYSICS, PARTICLES & FIELDS | Gravitation | Satellites | Approximation | Mathematical analysis | Cosmology | Spectra | Gravity Probe B | Constraining
Journal Article
Physics Letters A, ISSN 0375-9601, 10/2013, Volume 377, Issue 31-33, pp. 1775 - 1781
We discuss the structure of the Poincaré gauge theory of gravity (PG) that can be considered as the standard theory of gravity with torsion. We reconfirm that... 
Spin angular momentum | Equations of motion | Poincaré gauge theory | Torsion | Gravity Probe B | INVARIANCE | TEST FIELD | GENERAL-RELATIVITY | SPIN | PHYSICS, MULTIDISCIPLINARY | MOMENTUM | PRINCIPLE | SPACE-TIME TORSION | Poincare gauge theory | PROPAGATION | Gravity | Gravitation | Orbitals | Gauge theory | Elementary particles | Angular momentum
Journal Article
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