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 LT & Translation Symmetry: Problem Analysis
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Undergrad Four-Vector in Spacetime: Invariance Across All Reference Frames?
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Undergrad Using AI for Gravitational Wave Generation
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Undergrad Frame Dragging Around Spinning Black Holes: Implications
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Undergrad Is the Sagnac Effect a Relativistic Phenomenon?
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Graduate Transformation law of the energy momentum tensor
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High School Measurement of an unknown velocity vector of a closed space
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High School Is the current definition of gravity accurate?
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Undergrad Who Will Win the Race at the Event Horizon?
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Undergrad An event being in the past of a timelike separated one
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High School Expanding Universe: How Does It Conserve Energy?
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Undergrad Invariance of Diff. Line Elems. in Hartle's Gravity: Intro to GR
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High School Accurate measurement of the speed of light
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High School Who will win this running race?
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High School What is the speed of a photon traveling along the sine function?
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Undergrad Exact historical explanation of deducing speed of light constancy
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High School A thought Experiment in Time Dilation
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High School Mass, Energy, and Space-Time: How Do They Interact?
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High School Question about speed connection
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Undergrad Relativistic Work-Energy Theorem: Deriving Griffiths' Formula
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Undergrad How Do You Derive the Distance Formula for a Hyperbola?
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Undergrad Gravitational time dilatation and curved spacetime - follow up
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Undergrad Parallel Transport & Geodesics: Explained
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Undergrad Why do clocks show proper time?
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Undergrad Can We Confine Energy to Create Microscopic Black Holes?
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Graduate Proving Free-Fall in Rindler Spacetime is Finite
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Undergrad Will anti-parallel light beams between two stars stay parallel?
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High School Synchronization free of Contradiction: 1905 Paper
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Graduate Can large Black Holes ever spaghettify? (and more)
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Undergrad Cosmology: Inertial Reference Frames & Misconceptions
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Graduate Second Order Metric: Manipulating & Calculations for Einstein Equations
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Undergrad Measuring One-Way Anisotropy of Light Speed
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High School Falling Clock & Black Hole: Measure Time or Disappear?
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High School Velocity Addition: Unraveling the Mystery
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Undergrad Speed of Light in Vacuum in Non-Inertial Frame
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Undergrad What is the meaning of constant speed of light?
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Undergrad Solving Confusion About Black Holes, Schwarzschild Radius & Time Dilation
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Undergrad What are the Relativistic versions of Jefimenko's equations?
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Undergrad Solving Geodesic Eq.: Mysterious Conservation Eq. (Sec. 5.4 Carroll)
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Undergrad What are the many null-infinities in Minkowskian space?
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Undergrad Understanding Killing Vectors & Schwarzschild Geodesics
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Graduate Understanding Christoffel symbol in GR context
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Graduate Non-metric Compatible Connections: Physically Plausible?
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High School Einstein-Poincare Clock Synchronization Convention
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High School Scale of Measurement vs Equipment Sensitivity: Does Symmetry Always Hold?
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Undergrad Question on the energy needed to go at a relativistic speed
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Undergrad Did Einstein Formulate an Aberration of Light Using Tangents?
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Undergrad Strongest Evidence for Trapping Light in Schwarzschild Radius
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Graduate Orthogonal spacelike and timelike vectors and inertial frames
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Graduate Is 'Local Flatness' the Right Term for Describing Spacetime?
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Undergrad Big Bang Theory: Spacetime or Matter First?
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High School Constant speed between 2 objects close to the speed of light
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Undergrad Is the Scale Difference Between E=pc and v=E/p Explained by Special Relativity?
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Undergrad Comparing Planck's Mass, Length, Time and Energy
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Undergrad How can Lorentz transforms be inverted?
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High School Energy, Mass, Speed of Light: Can We Reach It?
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Undergrad How is the 4-Dimensional Element Volume Used in Quantum Physics and Relativity?
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Undergrad Why is the speed of light absolute?
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High School Time dilation, relativistic mass and fuel consumption
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High School Tensor Contraction with Metric for Stress Energy: Explained
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Undergrad History of E=mc^2 Before Einstein
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Undergrad Do We Need ESC in Earth's Atmosphere?
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High School Meaning of "Speed of Light is Constant": Explained
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Undergrad Does Conservation of Momentum & Energy Hold in the C.O.M. Reference Frame?
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Undergrad Where is Contraction Point in Special Relativity?
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Undergrad Lewis H Ryder: Cartesian to Polar Coord Transformations
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Undergrad Accelerating Body Creates Space-Time Curvature?
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Undergrad Quadrupole Moment Time Variation: Does Coordinate Choice Matter?
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Graduate Lorentz Transformation Derivation Question
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Undergrad Inertial frames in changing gravitational fields
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High School Moving Faster Than Light: Are There Symmetrical Rules?
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Undergrad Is the inertia of a massive object the result of gravity wave generation?
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High School What Conditions Allow for the Formation and Detection of Einstein-Rosen Bridges?
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Graduate Time Measurement in Friedman Metric: Physically Possible?
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Graduate Hawking Radiation: Understanding Complexity in Black Holes
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High School Does Black Hole Gravity Cause a Blueshift in Approaching Light?
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Graduate Magnitude 4-Vector Lorenz Gauge: Klein-Gordon Eq.
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High School Do Photons Experience Time When Traveling at Light Speed?
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Undergrad Special Relativity & No Special Inertial Frame of Reference
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Undergrad Gravity at the Event Horizon of a Black Hole
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Undergrad Trace of the stress energy tensor
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Undergrad Everyone Measures Light in a Vacuum at the Same Speed
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Undergrad Electromagnetic Radiation in Strong Gravity Field
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Undergrad Microsoft Mathematics: Calculate EM Energy Momentum Tensor
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Undergrad Equivalence Principle: Locally Flat Spacetimes Explained
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Undergrad Covariant Derivative: Limits on Making a Tensor?
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Undergrad What is the Constant Speed of Movement through Spacetime?
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Undergrad Gravity: What Moves a Stationary Body?
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Undergrad Is Zero Curvature Space Equivalent to Flat Space in General Relativity?
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Graduate Lorentz Invariance of Lagrangian: Proof & Explanation
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High School Why Shouldn't I Be Skeptical About SR Postulate No.1?
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Undergrad Can Gravity Escape a Black Hole? | GR Learning
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Undergrad Lorentz Arguments for Ether: Critical Analysis of 1895 Paper
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High School Observer Moving at c: Does it Contradict Limits?
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High School The precession of Mercury's orbit
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Graduate Variation of Metric Tensor Under Coord Transf | 65 chars
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High School Redshift & Energy Conservation: Questions Answered
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Undergrad Energy Component 0 of 4 Momentum Vector P
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Undergrad Special Relativity: Constant Speeds or More Complex GRT?
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Undergrad Special Relativity vs Lorentz Transformation: Difference Explained
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