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 Does the *First Postulate* Prohibit different time dilations?
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Undergrad Solving Quantum Mechanics in Space-Time: Effects of General Relativity
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Undergrad Is there an analog to Einstein's field equations for 2D?
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High School Fourier Transform of Spacetime
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Undergrad How to prove gravitational mass & inertial mass equivalence?
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Graduate Taylor expansion of dispersion relation - plasma physics
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High School Can space be curved in relation to an absolute straight space?
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Undergrad Length Contraction: Muon vs Earth Frames
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Undergrad Really parabolic light ray in an accelerated elevator?
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Undergrad Gravitational Bending vs. Refraction
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Undergrad Spaceship moves away from the Earth
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Undergrad Inflation theory and General Relativity
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Undergrad Can Flamm's Paraboloid be described by Cartesian equations?
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Graduate The Connection Between Geodesics and the Lagrangian | Explained in Textbook
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Graduate What is the concept of no prior geometry in GR?
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Undergrad Is Expansion the Same as Contraction?
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Undergrad Large object entering a small BH
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High School False predictions of relativistic mass
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High School How does this equation imply that time slows down?
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High School Einstein's Equivalence Principle: What's New?
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High School Unify General Relativity & Quantum Theory | Stephen Hawking
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High School Mass and energy from Earth's gravitational field
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Undergrad Michelson Morley experiment: relativistic explanation
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High School Special relativity and the flow of time?
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Undergrad Non-Vacuum Solutions for Black Hole Evaporation and Quantum Gravity
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Undergrad Gravity as geometry vs gravity traveling at c
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Undergrad Why are the equations for dt/du and Dt[a]/Du equal in the geodesic equation?
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Undergrad Detecting Gravitons: Challenging the Foundations of General Relativity
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Undergrad GR and its bending of space time
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Graduate Is the Metric Tensor Invariant under Lorenz Transformations in M4?
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Undergrad Bending of light - caused by gravity or relativity?
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Undergrad White holes and other universes
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Graduate Solving BTZ Black Hole w/ Euclidean Method
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Undergrad Metric for Lambdavacuum EFE - Radial Coordinates
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Undergrad Curvature of space and spacetime
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Graduate On the formation of a black hole due to high kinetic energy
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High School Is gravity both a force and not a force?
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High School Exploring the Merger of 2 Black Holes: A 4th Dimensional Perspective
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Undergrad Rotating Black Holes: A Century of Discovery & Beyond
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High School GR Curvature at Light Cone Surface: Smooth, Bent, Blocked?
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Undergrad First Energy or Mass: Universe Origins
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High School Does an object moving in a geodesic accelerate?
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Undergrad What happens at r ≤ rS in the Schwarzschild metric?
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Undergrad Question about modeling continuous spacetime
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Undergrad Particle at event horizon as black hole evaporates
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Undergrad Relativistic Aberration Formula & Lorentz Transformation
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High School Identical devices in different places
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High School How Does Time Travel Influence Aging?
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Graduate Gravitational Bending of Light: Equation for Photon Trajectory in Strong Fields
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Undergrad The spacetime curvature changed by an object
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Graduate Plasma physics - relativistic derivation
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High School Does Zero Rest Mass Mean No Particle Exists?
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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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High School Can Time Really Loop and Repeat Itself in the Universe?
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High School Simultaneity in Non-Observable Universe: Is it Possible?
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Graduate Speed of Gravitational Waves confirmed by Experiment?
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Undergrad Gravitational Influence: Limits & GR Effects
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Undergrad Diffeomorphism invariance of GR
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High School Micro Black Holes: The Possibility of Creating an Extra Dimension
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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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High School Moving in the 4th Dimension -- Does Time have a velocity?
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Undergrad When will metric compatibility hold/not hold?
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High School Light: Gravity, Force & Massless Inquiry
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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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High School Is Time Travel Feasible Within the Limits of Light and Atomic Interactions?
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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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High School Understanding Centre of Mass in Stationary Objects
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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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High School Understanding Earth's Time Difference from the Sun: 16-Minute Delay Explained
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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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High School Being on a different IRF, wouldn't light appear to slow?
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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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High School Can a Spinning Object Increase its Mass through Acceleration?
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Undergrad How Ebeb's Diagram Reveals Time Dilation
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High School Does Earth's Mass Affect the Length of a Day?
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High School Can we detect changes inside a black hole through orbits?
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Graduate Kerr-Newman BH Mass: Relationship to Angular Momentum & Charge
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High School Gravity and the Direction of Time
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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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