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 Is Freefall Really Not Accelerated Motion? Debunking Common Misconceptions
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Graduate Gravitational Velocity of Mass ##M## at Distance ##d## from Gravitating Body
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Graduate Clarifying Robertson-Walker Metric Math Objects
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Graduate A question on length contraction
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Graduate Electrodynamics in Robertson Walker spacetime
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Graduate Writing Non-Coordinate Basis Continuity Eqs: $\nabla_a T^{ab}$
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Graduate Measuring Speed of Light with One Clock
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Graduate Lower gravity and higher time dilation?
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Graduate Relationship between gravitational time dilation and energy?
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Graduate Alcubierre drive, could it cause inconsistencies?
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Graduate Understanding Einstein's field equations
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Graduate Line element in Euclidean Space
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Graduate Do different frames of reference experience time dilation at the same rate?
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Graduate Unraveling the Mystery of Spin Connection in an Expanding Universe
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Graduate Calculating area and volume for Diagonal Metrics
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Graduate Wave Speed & Frequency: Can Bob Tell?
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Graduate Understanding Lorentz Factor: Proving and Explaining Its Invariance
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Graduate Dimension of the stress energy tensor
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Graduate What is the value addition of GR?
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Graduate Photon Experiencing Infinity Over Time: A Relativity Question
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Undergrad Bending Space: Unraveling the Mystery
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Graduate Telescope Images: Light Deflection & Alien Observation
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Graduate How Does Light Behave Inside a Black Hole?
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High School Is time an illusion? Is it real to everyone? Please help
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Graduate Vary Metric w/ Respect to Veirbein: How To?
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Graduate General metric and flat metric
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Graduate Black hole traveling near the speed of light
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Graduate When current flows through 2 parallel wires (same amount of current)
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Graduate Varying Minkowski Metric: Is {\delta}{\eta}_{\mu\nu}=0?
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Graduate Length Contraction & Relativistic Aberration: Is 1 Formula Enough?
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Graduate How Can We Overcome the Challenges of Locating Gravitational Energy?
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Graduate Time dilation, length contraction, but velocity invariant
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Graduate Geometry as the Classical Limit: Examples and Analogies in Physics
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Graduate Flat Spacetime at Event Horizon of Black Hole?
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Graduate What are some recommended resources for studying General Relativity?
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Undergrad Speed of Sound: Constant Irrespective of Source Speed
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Graduate Is This a Valid Simplification of Einstein's Equations?
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Graduate Gravity & Spacetime Curvature: Have I Understood?
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Graduate Perceiving Time and Speed at Near Light Speed
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Graduate Can we determine motion within an enclosed object using energy and mass?
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Undergrad Can Galaxies Rotate Faster Than the Speed of Light?
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Graduate Could this experiment prove special relativity to be wrong?
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Graduate How gravity works beyond the Event Horizon
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Graduate Hamiltonian Weak Gravitational Field - Learn Free Particle Theory
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Graduate Basic Tensor Questions: Decomposition, Multi-Coordinate Systems
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High School Relative Motion: Visceral Reminder of Its Meaning
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Graduate Non causally linked events in special relativity
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Graduate Diffeomorphism and removal of all matter from the spacetime
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Graduate Spacetime Curvature Difference: Gravity vs Speed
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Graduate What Causes the Twins Paradox and Length Contraction in Relativity?
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Graduate Why Is SO+(1,3) Decomposable and Connected?
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Graduate How Does Relativity Affect the Appearance of Large Objects?
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Graduate Time Rate at Earth's Center: Effects on Reactions?
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Graduate Can a Non-Symmetric Metric Tensor Raise and Lower Indices in General Relativity?
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Graduate Distant stars and length contraction
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Graduate Calculating Differential Precession of Gyroscopes Due to Gravitational Waves
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Graduate Master Thesis Topic: GR & Statistical Mechanics
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Graduate Is Proper Time=0 Equivalent to Saying Proper Time Doesn't Apply?
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Graduate The Future of Gravitational Lensing: What Physicists Expect in 15 Years
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Graduate Translate acceleration to GR gravity
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Graduate Trace of Eq.(A.4) - Can Anyone Help?
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Graduate Time dilation and length contraction
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Graduate Derivative of the mixed metric tensor
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Graduate General relativity and curvilinear coordinates
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Graduate A quick question about observations in different frames
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Graduate Translational Motion Vs. Rotational Motion
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Graduate Two Lorentz Boosts Causing Rotation - Measurable w/ Gyroscope?
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Graduate Hamilton EOM for Schwarzschild Metric: Problem Solved
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Graduate Motion vs Rest: How Does Relativistic Time Differ?
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Graduate Relativistic Effects in Relative Motion of Objects
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Graduate Calculate Time Dilation b/w t1 & t2 Using Average Mean Density
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Graduate Charge Dropping on Rindler Horizon: Coulomb Force Effects?
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Graduate Does Dark Matter Interact with Itself in Black Holes?
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High School Would the Earth Have A Delay Reaction if the Sun disappeared
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Graduate Understanding the MMX Calculation Problem: Vertical vs. Horizontal Analysis"
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Undergrad Length contraction and direction of tavel
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Graduate Flow of Magnetic Charge: A Source in Ampere's Law? - Bob Eisenberg
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Graduate No-faster-than-light in the special relativity
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Graduate Raising Index of Electromagnetic Energy Momentum Tensor
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Graduate Killing vector tangents to geodesics
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Undergrad Massless Particle Questions: Explaining Photon's Lack of Mass
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Graduate Length contraction and the speed of light
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Undergrad Relativity for Poets: A Free eBook
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Graduate Energy & Gravity: Newton & Relativity Explained
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Graduate Would magnetic charge be Lorentz invariant?
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Graduate Variation of a tensor expression with indices
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Graduate Absolute Temperature & Entropy: Which is Lorentz Scalar?
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Graduate Four-velocity of massless particle
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Graduate Black hole information : Holographic theory question.
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Graduate Gravitation, 2 objects of same properties
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Graduate Time dilation in accelerating reference frames
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Graduate Time dilation in relativity theory
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Graduate Gravitational Warping by Non-Spherical Celestial Bodies
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Graduate Why the Shapiro delay is calculated with respect to the....?
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Graduate Lorentz Transformation: Get Answers to Your Questions
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Graduate Space-time & Gyroscopic Effect: Arthur's First Post
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Graduate Lorentz and Doppler and signal pick up
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Graduate Is a Metric Feedback Possible in General Relativity?
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Graduate Interstellar Movie: Wormholes & String Cosmology Explained
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Penn State: General Relativity Centennial Stream Jun 7-12
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