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 Understanding Killing Vectors & Schwarzschild Geodesics
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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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Undergrad Big Bang Theory: Spacetime or Matter First?
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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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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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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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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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Undergrad Inertial frames in changing gravitational fields
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Undergrad Is the inertia of a massive object the result of gravity wave generation?
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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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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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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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Undergrad Is the four current in Relativity an invariant quantity?
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Undergrad Sending Signal from Planet Near Gargantua: A Thought Experiment
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Undergrad Transformation of the contravariant and covariant components of a tensor
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Undergrad A shot in the dark -- Need help understanding Special Relativity
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Undergrad Ligo Heat Dissipation: How Do They Protect Mirrors?
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Undergrad One Way Speed of Light: Is it Constant?
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Undergrad Struggling with a special relativity "paradox"
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Undergrad Electric Field Directly Ahead of or Behind a Moving Charge
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Undergrad Ricci Tensor: Covariant Derivative & Its Significance
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Undergrad Explanation of Galilean transformations
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Undergrad Why does Special Theory of Relativity leave out Potential Energy?
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Undergrad Gravitational interaction between three bodies
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Undergrad An observer passing the event horizon of a black hole (Part 2)
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Undergrad Event Horizon Gravity: Infinite or Not?
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Undergrad Can Time Dilation Probes Redefine Our Understanding of Space and Time?
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Undergrad What is the Invariant Mass of Two Perpendicular Photons?
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Undergrad Energy Density in SR Energy-Momentum Tensor
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Undergrad Solve E = mc^2 & Time Dilation Equation
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Undergrad Getting Used to Killing Vector Fields: Explained
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Undergrad Time Dilation Effects of Travel to Star 10ly Away
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Undergrad Special Relativity Controversy: Solving the Paradox
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Undergrad The Tensor & Metric: Spacetime Points & Momentum Flux
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Undergrad An observer passing the event horizon of a black hole
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Undergrad Deriving the 4-momentum of a free particle moving in curved spacetime
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Undergrad Time Dilation: Clock A & B Confusion
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Undergrad Relativistic Notation in Waves: Confusion Solved
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Undergrad One Way Twin Revisited: Understanding Tim & Tom's Watches on Home & Northbound
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Undergrad LIGO Gravitational Wave Detection News
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Undergrad Energy Momentum Tensor: Real Physics & Cosmology
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Undergrad What Happens When a Planet Nears the Speed of Light Near a Black Hole?
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Undergrad The Simultaneity Paradox: Investigating Net Rotation of a Balanced Beam
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Undergrad Speed Difference of Time on Poles vs Equator of Earth and Other Planets
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Undergrad About the solution of the parallel transport equation
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Undergrad Four-momentum & four-acceleration in GR - Physics Discussion
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Undergrad Does p=mc Apply To Photons? | A.P. French's Special Relativity
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Undergrad E=mc^2 Mass: Rest Mass m0 vs Relativistic Mass γm0
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Undergrad What happens in the area between black holes before they collide
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Undergrad How it's known that the variational principle works for relativity
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Undergrad Deriving AdS Poincare Coordinates from Global Coordinates
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Undergrad Does Gravity Affect Mass Measurement in Flat Spacetime?
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Undergrad Muons Decaying on Mt Washington: Expert Answers
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Undergrad Speed of Light in Inertial Ref Frames: Photon Perspective
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Undergrad Momentum and energy calculation in special relativity
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Undergrad Metric compatibility? Why is it an additional property?
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Undergrad Gravitational Waves: Difficulty Level of Study?
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Undergrad How Does Lorentz Theory Address the Concept of Velocity Becoming Zero?
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Undergrad General Relativity & Curvature Explained: How Objects Fall
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Undergrad Speed of Light: Measuring Meters and Seconds
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Undergrad Gravity: Exerting Force or Warping Spacetime?
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Undergrad SXS Gravitational Wave Data: Initial Conditions Explained
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Undergrad Nash embedding theorem & curved spacetime
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Undergrad Parallel transport of a vector on a sphere
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Undergrad Can One Observe Anything Falling Into a Black Hole?
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Undergrad Is General Relativity More General than Gravity?
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Undergrad Escape Velocity, Gravitational Velocity & Time Dilation
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Undergrad Derivative consisting Levi-Civita
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Undergrad Lorentz Boosts: Finding Speed, Coordinates & Rotation w/ Matrix Multiply
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Undergrad Planck Length & Singularity: Point or Sphere?
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Undergrad Observation of matter falling into Black Holes
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Undergrad GR: Clarifying Different Forms of the Metric for Self-Studiers
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Undergrad Do These Equations Hold True Beyond Special Relativity?
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Undergrad Basic questions about raising and lowering indices
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Undergrad Solving Differential Equations in General Relativity
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Undergrad Summation Convention in Einstein Notation
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Undergrad Difference between 1. & 2. Kind Cristoffel Symbols
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