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.
Undergrad Traveling at a speed faster than light
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Undergrad Gravitational time dilation, proper time and spacetime interval
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Undergrad Gravitational Influence: Limits & GR Effects
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Undergrad Diffeomorphism invariance of GR
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Undergrad Why can't the interior of a black hole be empty?
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Undergrad Simultaneity of Events: Rest vs Motion
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Undergrad How is SR applied to circular motion?
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Undergrad Time dilation (speed Vs. acceleration)
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Undergrad Explaining Extreme Spacetime Curvature & Time Physics
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Undergrad Inconsistency in Length contraction
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Undergrad Does Spacetime Have Elastic Properties?
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Undergrad Einstein's light clock thought experiment
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Undergrad Understanding Black Hole Shapes & Forms
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Undergrad Difference between Schwarzschild metric and Gravity well.
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Undergrad When will metric compatibility hold/not hold?
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Undergrad Resolving the Three Colliding Observers Paradox in Special Relativity
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Undergrad Classical mass vs. relativistic mass for electronic analogy
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Undergrad Relativistic mass increase (simple or not)
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Undergrad How Does Relativistic Angular Velocity Affect a Rotating Disk's Behavior?
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Undergrad Time Dilation and the Twin Paradox: A Look at the Relativistic Doppler Effect
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Undergrad Solving Covariant Derivatives: Minkowskian Metric
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Undergrad Solving General Relativity Equations
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Undergrad What happens to local clock when many observers are moving wrt each other?
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Undergrad Length-contraction time-dilation fallacy & length measurement
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Undergrad Relativity of Simultaneity: Analyzing Wavelengths
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Undergrad Can spacetime curvature be transformed away?
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Undergrad What constrains the metric tensor field in GR?
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Undergrad Observing a mass forever approaching a BH, and BH growth
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Undergrad Can Emission Theory Produce Doppler-Shift Formula?
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Undergrad How Ebeb's Diagram Reveals Time Dilation
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Undergrad Energy density and pressure of perfect fluid
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Undergrad Merging Charged BHs: Is A's Observation Continuous or Discontinuous?
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Undergrad Twin paradox in GR - negative time?
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Undergrad Questions I have been thinking of regarding black holes
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Undergrad Where does the line element of Minkowiski space come from?
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Undergrad Relativistic Field Transformations and EM Waves
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Undergrad Two Conserved Quantities Along Geodesic
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Undergrad Is Time Just a Stubborn Illusion in the Block Universe Theory?
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Undergrad Time dilation in components of an object
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Undergrad How do things pass through event horizons?
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Undergrad Did Newton Believe in Absolute Motion? A Closer Look at His Arguments
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Undergrad Laws of physics and inertial systems
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Undergrad What force accelerates a car down hill?
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Undergrad Black Hole Formation Sequence: Time in the Equations?
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Undergrad Twin Paradox - Observation at Turnaround Moment
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Undergrad Confusing descriptions of an "expanding" universe
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Undergrad Spin 0 Particles & General Relativity | Carrolls Notes
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Undergrad Why Denote 1 Form as dx? - Sean Carroll's Lecture Notes on GR
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Undergrad Frames of Reference and Time Perception in Space Travel
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Undergrad Finding Stress-Energy Tensor: General Rules & Variational Principle
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Undergrad EM Waves in a Rotating Frame: Questions & Answers
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Undergrad Calculating the Optical Appearance of Rolling Rings: A Methodology by Ø. Grøn
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Undergrad Explore Black Hole Orbits with My Kerr Orbit Simulator on YouTube
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Undergrad Einstein clock syncing with one way light emission absorber
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Undergrad Einstein's elevator: gravity without curvature?
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Undergrad General Relativity as a Theory of Gravity Explained
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Undergrad Investigating a Possible Derivation Error in f(R) Gravity Field Equation
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Undergrad Is the speed of light constant?
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Undergrad Self-Study GR: Construct Contravarient/Covarient Orthogonal Basis
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Undergrad Special Relativity Course at World Science University by Brian Greene
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Undergrad Is the FLRW Metric the Only Form for One-Dimensional Maximally Symmetric Spaces?
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Undergrad Four-vector Dipole Moment: Electric & Magnetic
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Undergrad Spacetime moving faster than speed of light?
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Undergrad Mass/energy in general relativity
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Undergrad A _perfectly_ symmetric twin paradox cases
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Undergrad Relativistic Rocket: Understanding Behavior & Speed Limit
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Undergrad 6-dimensional representation of Lorentz group
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Undergrad Deriving Schwarzschild Interior Boundary Conditions
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Undergrad Simultaneity hyperplanes "curved" while stationary?
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Undergrad Parallel transport vs Fermi Transport
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Undergrad Calculating Perturbative Expansion of Metric Inverse in Cosmology
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Undergrad Does ##x_\mu x^\mu## Equal ##(x_\mu)^2## in Einstein Notation?
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Undergrad Why Schwarzschild Metric for Deflection of Light & Precession of Perihelia?
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Undergrad Metric transformation under coordinate transformation
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Undergrad What is the nature of the force causing deviation from a circular orbit in GR?
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Undergrad Uniting Quantum Mechanics & General Relativity: 3 Forces & Geometry
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Undergrad Meaning of Constants of Motion in General Relativity
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Undergrad Getting to Grips with Rank-2 Tensors
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Undergrad Is Time Reversal Symmetry Truly Fundamental?
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Undergrad Deriving Schwarzschild Solution: Easier Strategies?
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Undergrad Rod Near Event Horizon: What Would Happen?
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Undergrad Assumption that the rest mass energy is mc^2
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Undergrad Derivation of length contraction
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Undergrad Metric Tensor as Simplest Math Object for Describing Space
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Undergrad Gravitation vs Curvilinear Coordinates: Analysis of Weinberg's Book
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Undergrad What is the hyper-cylindrical line element?
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Undergrad Time Dilation, Clocks, & Gravity
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Undergrad Calibration of Minkowski Diagram: Explaining Invariance of S^2
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Undergrad Time as a Dimension: Exploring Galilean and Lorentz Transformation
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Undergrad Lorentz transformation validity
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Undergrad Time Dilation: One Year in Jupiter = How Many Years on Earth?
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Undergrad How do the Lorenz equations for time account for the movement of Alpha Centauri?
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Undergrad Variation of perfect fluid and Lie derivative
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Undergrad Static, Isotropic Metric: Dependence on x & dx
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Undergrad Square of the difference of four-vectors
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Undergrad Rest Energy in special relativity
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Undergrad How is Simultaneity Defined in Spacetime Diagrams by A.P. French?
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Undergrad Area of the event horizon of a rotating black hole
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Undergrad Event and Cauchy horizons for a charged black hole
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Undergrad Is the Principle of Relativity different for different theories?
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