Special and General Relativity Forum

Undergrad Could Zero Distance Create Infinite Gravitational Force?

Undergrad E=mc^2 Explained: Momentum and c

Graduate Is atom created if time is taken away from space and acceleration?

Graduate Surviving the event horizon: some thoughts

Graduate Rest Mass and Preferred Frame of Reference

Graduate Mass of electromagnetic waves

Graduate How to be an Inertial Observer?

Graduate Advanced/Retarded Eddington-Finkelstein Coordinates and Incident/Outgoing Wave

Graduate Constancy of speed of light and galiliean transformation

Graduate Can someone please explain to me why massless particles follow null geodesics?

Graduate What Determines the Speed of Gravitational Waves?

Graduate Is Absolute Rest Possible in a Universe Governed by Relativity?

Graduate Mermin's (Special) Relativity without Light

Graduate What is the Partial Derivative of Metric in Gravitational Action?

Graduate Physical implications of not-smooth metric derivative matching

Graduate Linear FE for static, spherical body

Graduate Which Equation for the Space-Time Interval Should You Use?

Graduate Mass, Rest Frames & Neutrinos: Explained

Graduate What is a Hamiltonian vector field in General Relativity?

Graduate Could Gravity's Force Fluctuate?

High School Gravitational pull (revolutions)

Undergrad Mass Dilation: Does 0.9c Travel Increase Mass?

Undergrad Gravity is Time? | General Relativity Explained

Graduate Schwartzschild exterior and interior solutions

Graduate Albert Einstein's theory of special relativity.

Graduate Who sees distance contract in a 10.4 light-year trip at 0.95c

Graduate Why is the gravitational field considered a tensor field in GR?

Undergrad Why do clocks appear to run at different speeds when traveling at high speeds?

Graduate B-E,F-D Statistics and the Lorentz Transformations

Graduate Is time dilation relative, or absolute?

Graduate LIGO and speed of gravitational waves

Graduate What is Newman Penrose Formalism?

Graduate Time Measurement in Moving Frames: Synchronization and Experimental Techniques

Graduate Does general relativity give curvature a magnitude?

Undergrad Difference between acceleration and gravitational field?

Graduate C represents the speed limit of the universe rather than the speed of light

Graduate Proving that the sphere cannot be expressed in flat coordinates

Graduate Is it really possible to solve for how fast an apple will fall on earth with GR

Graduate More detailed discussion on star collapse

Graduate Big trouble with Kerr solution

Graduate Gravitation and Information, BH paradox

Graduate Light Curve Space: Maintaining Speed Constant

Graduate Derivative of metric tesor and its trace

Graduate Does Energy in Curved Spacetime Depend on the Choice of Hypersurface?

Graduate Plotting Planets Orbits around Sun using Schwarzchild Metric

Undergrad Why is max speed, speed of light?

Graduate Mechanism of gravitational acceleration in GR

Graduate What is the physical meaning of metric compatibility and why is it important?

Graduate Coordinate transformations for frames in relative curvilinear motion

Graduate General covariance and tensors

Graduate Speed of light /time / and material

Graduate How much is space bended at the surface of the sun

Graduate General Relativity is pure Mathematics

Graduate Calculating Time Deviation Inside the Sun

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Graduate Ultimate size of the Universe (finite)

Graduate I think my Prof did this wrong, Need

Graduate Can a Naked Singularity Become a Black Hole?

Graduate Proving Surface Gravity with Killing's, Hypersurface, Geodesic Equation

Graduate Discrepancy regarding time measurement

Graduate Can Faster-Than-Light Communication Be Achieved with a Long Pole?

Graduate Easy Lorentz Transform Problem

Graduate Frame velocity v. object velocity in derivation of 4-velocity

Graduate Light wave behavior and frame velocity in Appendix 1: Simple Derivation

Graduate Time dilation for object orbiting the Moon versus Earth's surface

High School What are the Four Dimensions in Our Space-Time Continuum?

Graduate What is the effect of the relativity of simultaneity?

Graduate Magnetic Fields & Warping Space: Can It Be Done?

Graduate What is the Lagrangian for geodesics in Schwarzschild coordinates?

Graduate Relativistic centripetal force question

Undergrad Questions on the nature of Speed of Light

Undergrad Equal Energy Exchange in Gravitationally Attracted Objects?

Graduate Understanding the Causes of Photon Redshift

Graduate One more time on Hawking radiation

Graduate Synchronizing Atomic Clocks in Inertial Motion: Planet or Black Hole?

Graduate Is the garvitay depend upon medium and is gravitaion force is quantized?

Graduate WMAP Data Redshift and Background Radiation

High School Have a question about speed of light

Undergrad Understanding Relativistic Momentum in Special Relativity

Undergrad Opinions on Red Shift? Discuss Here

Undergrad Relativity question(layperson level)

Undergrad Time Dilation: Does Length Contraction Apply?

Undergrad Simplest way of deriving Lorentz transforms

Graduate How to calculate the contraction of metric tensor g^ab g_ab

High School Just a question about light speed

Graduate Can't Solve the Relativity Problem: Seeking Help

Graduate Can Length Contraction be Proven Experimentally?

Graduate Can Varying the Gravitational Constant Mimic General Relativity's Effects?

Graduate How Do We Detect the Charge of a Black Hole?

Graduate Update on Devasia Santosh's Lorentz Violation Research

Graduate Calculate Bending of Light: Find the Middle Point

Graduate Calculus of Variations in General Relativity

Graduate Length Contraction: Need Help Understanding Lorentz Transformation

Graduate What Graphs Show Time Dilation for a Twin Traveling at Light Speed?

Graduate Absolute Time Clock Experiments: Einstein's Special Relativity

Graduate Do all observers agree on the age of our Universe?

Graduate Rest Length, Coordinate Length, and an argument for True Length

High School Where can I find resources for learning Relativity as a high school student?

Undergrad How would two massive bodies effect eachothers gravity?