Special and General Relativity Forum

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Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.
Graduate My problem with the relativity representation on gravity.
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Graduate Is time in essence - constant?
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Undergrad Are acceleration and deceleration the only ways we feel motion?
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Graduate MTW, Chap19, Stationary relativistic Vs Weakly gravitating source
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Graduate Quantum vacuum as origin of light speed?
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Graduate Postulates of SR without inertial frames?
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Graduate Photons effected by gravity of a Blackhole?
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Graduate Deciphering the Christoffel Symbol and Potential in Shutz's Relativity Book"
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Graduate Feynman field transformations
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Graduate If force is what causes gravity (motion), what is causing force?
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Graduate Gravitation(angular deflection of a planet from a massive star)
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Graduate A spaceship moving near the speed of light
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Graduate Can the Speed of Light Fluctuate Due to Changes in the Vacuum of Space?
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Graduate Quadruplet Paradox Question: Acceleration vs. Velocity
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Graduate Black hole information paradox
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Graduate The Mystery of the Creeping Ray & Relativity
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Graduate Is gravity just an illusion in the universe?
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Undergrad Why matter can't reach the speed of light ?
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Graduate One-way speed of light and clock sync
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Graduate Would Photon Clocks be possible?
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Undergrad Can continuous acceleration reach speed of light?
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Graduate Concerning how quickly gravity takes to effect distant bodies
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Graduate Why can't we just use one theory for everything?
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Undergrad Understanding Special Relativity (beginner questions)
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Graduate Is the Twin Paradox Resolved by Considering the Metric of Spacetime?
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Graduate Is there a simple way of deriving Lorentz transformation?
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Undergrad Time dilation and lorentz transformation
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Graduate Understanding EM in GR: Maxwell's Equations and Particle Motion Explained
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Graduate Active and passive Lorentz transformation
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Graduate Equation of Motion for a Point Mass Falling into an Infinitely Small Black Hole
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Graduate Time Dilation: Triplet Paradox makes no sense
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Graduate Is Time Physically Dimensional or Just a Conceptual Shorthand?
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Graduate Relative acceleration of geodesics and spacetime curvature
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Undergrad What is the difference between separation in space and separation in time?
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Graduate Understanding the Momentum-Energy Tensor in Einstein's Field Equations
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Graduate Photon Acceleration Near Gravitational Fields
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Graduate Higgs Boson vs GR's Spacetime: Is Mass Effect Obsolete?
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Graduate SR Vectors & Tensors: Transformations Explained
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Graduate EM Tensor Invariants - Are There More?
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Graduate Time in the reference frame of the photon and aswell curved spac
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Graduate Regular empirical evidence of curved space or massless photons?
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Graduate Possible mistake in an article (rotations and boosts).
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Graduate How is C speed invariance - hows it suppose to work mechanically?
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Graduate How does the world look like after a Lorentz transformation?
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Graduate Is this 4-velocity tangential to the worldline
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Graduate Gravitational time dilation from the metric
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Graduate Derivation of the Geodesic equation using the variational approach in Carroll
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Graduate Diffeomorphic Invariance implies Poincare Invariance?
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Undergrad How Strong is the Gravity of a Black Hole Compared to Earth?
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Graduate Acceleration to near light speed - where does the energy go?
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Graduate Simplified theories for gravity?
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Graduate Metric constraints in choosing coordinates
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Graduate Stars moving faster than the speed of light
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Graduate Length contraction of space with multiple reference frames
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Graduate How to reconcile photon not experiencing time with it's travel time?
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Graduate Metric tensor - index manipulation
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Graduate Momentum of Object in 0.6c Inertia Frame
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Graduate How Can We Calculate Relativistic Velocity for an Interstellar Journey?
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Graduate SRT Clocks Again Einstein, 1905: Q&A
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Graduate Do gravity and density have a direct relationship?
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Graduate Freely Falling Inertial As Seen By Distant Inertial Observer
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Graduate Understanding the Universe through the Perspective of Light
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Graduate Is the speed of light truly constant in all reference frames?
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Graduate Deriving Einstein tensor, Riemmann tensor step
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Graduate Adding Velocities: Newbie Question on Special Relativity
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Graduate What is most likely to be the actual explanation of gravity?
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Undergrad Acceleration in a Closed Box: Uniform or Varied?
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Undergrad Are we moving at the speed of light?
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Undergrad Question for Special Relativity
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Graduate Gravitational time dilation in the center of a mass
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Graduate Contracting R_{αβ} to R^ρ_αβσ: No 16 Multiplier
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Graduate Why there are no other kind of length contractions?
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Undergrad Point of reference in relative time
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Graduate Frame drag to accelerate spaceships?
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Undergrad Is the speed of light the same for all observers?
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Graduate Alcubierre Drive: Constant Velocity or Acceleration?
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Graduate Can Black Holes Truly Exist for Earth Observers?
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Undergrad Understanding Time in Space-Time for Beginners
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Undergrad C = √ (E/m) We can determine c
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High School E=mc^2: What is Mass & Matter?
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Graduate What is the significance of the factor 8π in the Einstein Equations?
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Undergrad Do physics professors still misunderstand Einstein?
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Graduate Time Dilation Explained: What About Light Speed?
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Graduate Speed of light measured in/by a parallel frame moving at c
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Graduate What is the maximum entropy a system can have based on its energy and size?
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Graduate Question on hyperbolic rotation
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Basic Lorentz Transform widget
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Graduate What prevents mass-less gauge bosons and gravity going faster than c?
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Graduate Would wormholes transmit gravity, if so how?
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Graduate Radial length contraction = mass anisotropy?
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Graduate Exploring the Role of Perfect Fluid Solutions in General Relativity
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Graduate Length contraction on charged wire
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Graduate Defining Emitter vs Observer for Schwarzschild Metric
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Graduate The concept of inertial mass from Newton to Einstein
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Graduate Is coupling G actually a constant of nature or it can vary?
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Graduate Gravitational Pull Limit Across Distance?
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Graduate What Causes Consistent Measurement of Light's Speed Despite Relative Motion?
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Graduate Linearised gravity contraction
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Undergrad Relativity: Observer's Perspective - Am I Getting it Right?
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Graduate Lorentz Contraction ?s and Implication
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