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 this quote from Steven Weinberg right?
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Graduate Help - Speed of Light: Get Answers to Your Questions
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Graduate Godel Metric Cosmological Constant
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Graduate Does Metric Signature Affect Torsion Definition?
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Graduate If the local is defined as the 'Hubble radius'
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Graduate Ricci Tensor/Scalar Contraction Manipulation Q&A
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Graduate Understanding Proper Time in General Relativity & Special Relativity
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Graduate Question about Special Relativity and matching results
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Graduate Valence Tensor of "DVu/Du" Acting on Vector: Analyzing 1 to 1
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Undergrad Speed of light vs speed of sound
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Undergrad Gravity & Matter: What is the Connection?
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Graduate What Causes Frame-Dragging? Explained in Vernacular
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Graduate Will the Earth Observers See a Burning Spaceship?
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Graduate Bangs2.pdfEarman's "Lost Socks & Green Slime
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Graduate Simultaneous birth of two people in an inertial frame
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Graduate Vanishing of Einstein tensor from Bianchi identity
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Graduate Clocks Within Each Ship in Bell Spaceship Paradox
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Graduate Questions on relativistic mass and directional relativity?
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Graduate Neutron Stars & SR: Explained for Discovery Channel
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Graduate How Does a Neutron Star Affect the Mass of an Object Falling Into It?
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Graduate Deriving Schwarz Metric Weak Limit: Carroll's Lecture Notes 1997
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Graduate Riddle Me This: Vibrating at Light Speed & Time Travel
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Graduate FTL Expansion of Space: Rapidity & Infinity
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Graduate How to classify coordinate as S-L,Null,T-L?
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Graduate Type Godel Metric Line Element - Get Help Here!
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Graduate Inequalities. Special relativity.
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Graduate Weak Field Approx, algebra geodesic equation
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Graduate Metric tensor with diagonal components equal to zero
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Graduate Generalisation of Time Dilation
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Graduate Relative Velocities Equal in Std Config? Lorentz Transform
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Graduate How to imagine higher dimensions?
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Graduate Relativistic correction to the gravitational force?
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Graduate Understanding the equivalence principle
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Graduate Metric for uniform constant acceleration?
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Graduate Using General Relativity to analyze the twin paradox
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Graduate How do you calculate change in time at the speed of light?
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Graduate Difficulties in the Computation of the Kretschmann scalar
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Graduate Near-instant Acceleration / Clocks
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Graduate Measuring possible one-way anistropy of light speed
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Graduate Theory on Speed of Light & Faster Travel
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Graduate Twin Paradox in Kerr Metric - Help Needed
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Graduate Composition of 2 transformations of E
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Graduate Can we distinguish between black holes and white holes?
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Graduate Sphere of Uniform Density: Exact Solution to Einstein's Field Eqns?
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Graduate Connection between Lorentz covariance and special relativity
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Graduate Gravity and General Relativity: The Curvature of Space-Time
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Graduate Tensor Density Transformation Law: Order of Jacobian Matrix?
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High School Inertial and Non-Inertial Reference Frames
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Graduate Mass of Box A vs Box B with Photon Inside
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Graduate Symmetrical time dilation implies relativity of simultaneity
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Undergrad Does the mass of a spinning object twist spacetime?
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Graduate Transformation equation of velocity contradicts stellar aberration?
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Graduate What is the Geodesic Equation for FRW Metric's Time Component?
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Graduate Quick expression on geodesic equation
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Graduate Proving Total Covariant/Total Partial Derivative EFE Derivation
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Graduate Proof of Transformation Equation for Electric Field Ex
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High School If we can move at the speed of light, can we pass a small hole?
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Graduate Basic GR Questions: Krushkal Extension of Schwarzschild Metric
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Graduate Time Dilation Effects of Warp Travel | 65 Characters
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Graduate Intuitive Interpretation of Rest Energy
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Graduate How to calculate cosmological constant?
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Graduate Tensor density from wedge product
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Graduate Spatially separated events are time relative but .
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Graduate Weak Field Approximation and Tidal Forces
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Undergrad Why do objects rest on space thus causing gravity?
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Graduate The Alice and Bob example of the FTL violates causality
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Undergrad Lorentz Contraction: How Fast Can Objects Travel?
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Graduate Combine Special Relativity & Maxwell Equation Easily
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Graduate Magnetic force in a moving coordinate system
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Graduate Time elapsed along an accelerated world line
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Graduate Understanding length contraction in SR
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Graduate Order of Acceleration in Slow Motion Approx - Q&A
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Graduate Surfing a Gravitational Wave: Is It Possible?
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Graduate Does Hawking radiation take place at the apparent horizon?
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Graduate Hilbert-Einstein action, total derivative vanish
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Graduate Raising and lowering Ricci Tensor
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Graduate Speed of Light in Special Relativity: Explained & Questioned
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Graduate Fizeau's Experiment interpretation
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Graduate String Theory's inconsistency with Relativity
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Graduate How does light slide sideways?
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Graduate Comparing Weak Field Approx, Sign Question, & Derivatives
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Graduate Weak Gravity & Newtonian Limit: Letting g^kmu = eta^kmu
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Graduate Hawking radiation prevents event horizon crossing?
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Graduate Why can photons only move at the speed of light?
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Graduate Einstein Hilbert action, why varies wrt metric tensor?
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Graduate Formation of X-Ray Binaries Outside Black Holes
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High School Time Relative to Position: Yes
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Graduate Particles' Energy Loss: Atom's Fate in an Expanding Universe
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Graduate A speed equivalent of gravitational acceleration?
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Graduate Accretion Discs in Non-Rotating Black Holes: A Closer Look at Sagittarius A*
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Graduate Weak Field Approximation - Quick Sign Question
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Graduate Velocity frame of reference in lorentz force equation
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Graduate Equation for time dilation of body in orbit around Kerr black hole?
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Graduate Free Fall vs accelerated reference frame question.
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Graduate Photon Mass: Is It Really Zero or Infinite?
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Graduate Solving the Mystery of Relativity: What Postulates Say?
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Graduate Understand Postulates of Relativity & Inertial Frames
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Graduate Acceleration in Rindler coordinates
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Graduate Some easier equotation for gravitational time dilation?
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Undergrad The "x'=x-vt" in Galilean/Lorentz transformation
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