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 The Flaws of General Relativity: Is Space Really Constant and Defined?
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Graduate Photon & Time: Is Movement Possible?
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Graduate Curvature of spacetime inside of stars and planets
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Graduate Time dilation due to SR plus GR
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Graduate Synchronization of Earth clocks
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Graduate Most fundamental reason why boosts have to have L(-v)L(v)=I?
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Graduate Is Minkowski Space Considered a Metric Space?
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Graduate Blue shifted cosmic microwave background photons
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Graduate No. of field equations and components or Riemann tensor?
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Graduate General Relativity and Heisenberg Uncertainty
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Graduate Can you fall into a non-accreting back hole?
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Graduate Constructing a Valid Coordinate System for Local Flatness in General Relativity
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Graduate Tidal Effects in the Schwarzschild Metric
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Graduate What is the exact change in frequency for an approaching object?
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Graduate How does light behave when emitted opposite to the movement of its source?
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Graduate Gravitational redshift from doppler shift
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Graduate I am missing something in the train paradox
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Undergrad How Does Galaxy Rotation Impact Rocket Ship Travel?
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Graduate See light that is red-shifting z > 5.4
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Graduate What is the Krasnikov Metric for Wormholes and How Does It Create Exotic Matter?
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Graduate Antisymmetric Metric: Exists in GR?
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Graduate Angular momentum in curved spacetime
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Graduate How to draw a spacetime diagram
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Graduate Could Special Relativity Explain Pioneer Spacecraft's Gravitational Anomaly?
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Graduate How do you calculate delta-T' for an observer traveling near a black hole?
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Graduate The Speed of Light - Nothing can go faster?
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Undergrad Could someone explain the fourth dimension?
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Graduate Can Two Black Holes Merge Without Breaking Thermodynamic Laws?
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Graduate Converting Redshift to Velocity: The Accurate Formula Explained
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Graduate Experimental tests of the stress energy tensor
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Graduate Can you help me with this equality?
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Graduate Gravitational acceleration VS the speed of light
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Graduate The Schwarzschild Metric - A Simple Case
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Graduate Light, gravity, and red shift.
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Graduate How Do Four-Vectors Add Nonlinearly in Relativity?
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Graduate What Does Anisotropic Effective Mass Mean?
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Graduate Can Gravitational Waves Exist in a Static Spacetime?
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Graduate Time Dilation: Clark Kent's Scenario
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Graduate Irrelvancy of motion in C perspective
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Graduate Understanding General Relativity: Gravity Warping Space-Time
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Graduate Perihelion advance expressed differently
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Graduate GR/Hawking Radiation Contradiction
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Graduate How Does the Minkowski Metric Explain Special Relativistic Effects?
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Graduate Can someone explain Gravitational Time dilation?
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Undergrad How Does the Expansion of the Universe Affect Inertia and Mass?
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Graduate Why Does the Minus Sign Matter in Space-Time Interval?
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Graduate Postulate Approval: Get Help from Physics Experts
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Undergrad Needing a solid example of a composite mass value
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Graduate On black holes and relativity.
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Undergrad Any alternative article websites for students/teens?
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Graduate Light & Gravitation: How Do We Know & Prove It?
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Graduate Universe inflation faster than c
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Graduate Is the Gravitational Constant a Tensor or a Constant Derived from Experiment?
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Graduate How Does Length Contraction Work in Einstein's Relativity?
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Graduate Another Way of Looking at Gravitational Time Dilation?
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Graduate Is Minkowski space the only Poincare invariant space?
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Undergrad Gravitational attraction of a spherically symmetrical mass
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Graduate BRS: Static Axisymmetric Gravitationless Massless Scalar Field Solutions
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Graduate Gravity at Earth's Core: Human Impact Hypothesis
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Graduate Is the wire necessary to create a B field?
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Graduate Time dilation or length contraction
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Graduate What Lorentz Covariant Objects Can You Name?
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Graduate Are Geodesics in Outer Space Curved or Straight Paths?
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Graduate General relativity breaks down at Planck scale
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Undergrad Velocity needed for a certain change in time
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Graduate Light clock with something else than light
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Graduate Weyl curvature and tidal forces
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Graduate Relational Mechanics: Andre K.T. Assis' Unheralded Theory
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Graduate E.p. implies no gravitational shielding?; Feynman?
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Graduate Understanding Congruences, Rigidity: Week of Sickness & Busyness
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Graduate GRT: Wrong Picture of Basic Cosmology?
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Undergrad Time Travel: Make me a believer
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Graduate New to GR, having trouble with lagrangian calculation
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Graduate How do you envision a gravitational field?
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Graduate The length of a falling elevator
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Graduate Simultaneity:Confused and almost confident about my own logic
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Undergrad Trying to understand time delineation
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Graduate Gravitational Attraction of a Massive Particle
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Graduate Time for Light to Travel in a Gigantic Spaceship
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Graduate The Einstein and Ricci tensors
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Graduate Is the Newtonian EOM Invariant under Galilei Boosts?
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Graduate I need to calculate δR: R is Ricci scalar
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Graduate Max Velocity Below c When Falling from Infinity to Black Hole?
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Graduate Metric Tensor & Symmetric Tensor Product in GR
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Undergrad Time Relativity: Does Velocity Change?
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Graduate Maxwell's idea to measure aether
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Graduate Dark Matter and Thorne's unlikely time travel
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Undergrad Time Dilation: Does Aging & Decay Slow Down?
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Graduate Metric Sign Convention: Effects on Klein Gordon & Dirac Equations
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Graduate 'relativity' of radiation of uniformly accelerating charge
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Graduate Help wanted with an explanation
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Graduate Can SR handle acccelerating frames?
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Graduate Hypervelocity stars and RX J0822-4300
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Graduate Does Relativistic Kinetic Energy Increase with Velocity?
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Undergrad Relativity at cern - deflection
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Graduate Ehrenfest / rod thought experiment.
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Graduate Special Relativity and Black Holes
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Graduate BRS: degenerate cases of Born-rigidity
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Graduate Balance of Forces - Electrostatic Force vs. Gravitational Force
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Undergrad What is the difference between mass and energy?
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