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.
Threads
Graduate ALIGO interferometer sensitivity
- RockyMarciano
- · Replies 19 ·
Graduate Can Light Move Inside a Black Hole Event Horizon?
- Italian_Mike
- · Replies 3 ·
Graduate Are Gravitational Waves and Waves Transmitting Curvature Changes Different?
- rdai
- · Replies 2 ·
Graduate Understanding a0 in Paper: Page 9 of 1405.1283v1
- 69911e
- · Replies 1 ·
Undergrad Anthropic Lower Limit on Cosmological Constant
- bcrowell
- · Replies 0 ·
Graduate Spacetime Engineering by Superposition of GWs: Feasible in Theory?
- sanman
- · Replies 2 ·
Graduate Force based explanation of gravity waves still possible?
- cube137
- · Replies 18 ·
Graduate How did LIGO estimate the distance of the black holes?
- JK423
- · Replies 7 ·
Undergrad Shooting Video on Planet Z Near a Black Hole
- hypermental
- · Replies 4 ·
Graduate LIGO GW150914 Data Release & Tutorial
- websterling
- · Replies 4 ·
Gravitational waves: who gets the Nobel Prize?
- A/4
- · Replies 19 ·
Graduate Gravity & Photon Trajectory: Is Wavelength a Factor?
- chimera27
- · Replies 5 ·
Undergrad Is Gravity Really the Weakest Fundamental Force?
- Saffat Rafsan
- · Replies 22 ·
High School What's the reference frame for the universe as a whole?
- jhus96
- · Replies 11 ·
Graduate Perihelion Shift in Near-Circular Orbits: 6πm/a + Higher Order Terms
- Jorrie
- · Replies 8 ·
Undergrad Travelling (at) the speed of light away from a lightsource
- lolcopters
- · Replies 6 ·
Graduate Proof for Lorentz Transformation of Momentum: Step Explained
- little neutrino
- · Replies 10 ·
Graduate Time dilation and acceleration due to gravity
- hypermental
- · Replies 21 ·
Graduate Is there a smallest possible gravitational wave?
- Cato
- · Replies 3 ·
Graduate A drunk falling into a black hole
- Adel Makram
- · Replies 18 ·
Graduate Simple derivation: sphere contracting under gravity
- HowardTheDuck
- · Replies 1 ·
Graduate Equivalence principle and mass
- fog37
- · Replies 9 ·
Graduate Calculate Parallel Transport: Get Out of Logical Loop
- snoopies622
- · Replies 2 ·
Graduate Relative Velocity Between Colinear Free-Falling Objects | GR Answer
- davidfrankli32
- · Replies 11 ·
Graduate Unresolved background of gravitational waves?
- bcrowell
- · Replies 22 ·
Graduate What does the polarization of a photon signify in quantum field theory?
- carllacan
- · Replies 1 ·
Graduate Assumptions of the Schwarzschild solution to the EFE
- redtree
- · Replies 15 ·
Graduate What Happens to Mass When Black Holes Move?
- 1832vin
- · Replies 2 ·
Graduate Gravitational self-interaction
- Neutrinos02
- · Replies 5 ·
Graduate Can a gravitational wave kill you?
- Idunno
- · Replies 11 ·
Graduate Is light speed really constant?
- Erez Lerner
- · Replies 43 ·
Graduate Can a non-local manifold coexist with a spacetime manifold?
- cube137
- · Replies 3 ·
Graduate Detecting Interference Pattern Changes in LIGO Measurement
- pixel
- · Replies 16 ·
Graduate Understanding Lorentz Transformation & Time Travel at Light Speed
- kvnsmnsn
- · Replies 12 ·
Graduate GW150914 Redshift: Cosmological & Gravitational
- Leo.Ki
- · Replies 2 ·
Graduate Gravitational Waves: Were They Stronger Long Ago?
- Gerinski
- · Replies 2 ·
High School Relativity of Simultaneity - Missing Event
- Sisoeff
- · Replies 9 ·
High School How Does Relativity Deal with Simultaneity as a Requirement?
- Sisoeff
- · Replies 12 ·
Graduate Line element and derivation of lagrange equation
- Alain De Vos
- · Replies 13 ·
Graduate Dr Greg Blocking Question: Why?
- davidfrankli32
- · Replies 1 ·
Graduate Derivation of the Christoffel symbol
- Whitehole
- · Replies 1 ·
Graduate Recording gravity waves over the noise floor
- musichascolors
- · Replies 1 ·
Undergrad Relativity of Simultaneity and Time
- Banksyboy88
- · Replies 45 ·
Graduate Q&A: LIGO Gravitational Wave Detection
- Cuboctonion
- · Replies 6 ·
Graduate Unraveling the Mystery of Information in Black Holes
- bugatti79
- · Replies 2 ·
Graduate Magnetic Field due to a Point Charge
- Electric to be
- · Replies 6 ·
Graduate How to synchronize clocks in accelerating frame?
- Adel Makram
- · Replies 14 ·
Undergrad Gravitational Wave Discovery & Einsteinian Gravity: What's the Connection?
- JerryF
- · Replies 4 ·
Graduate Definition of Energy: Post-Relativity Questions
- maline
- · Replies 39 ·
Graduate Is there a connection between sound waves and gravity waves?
- jerromyjon
- · Replies 18 ·
Graduate Accelerations: Transformation of Newton potential
- haushofer
- · Replies 21 ·
Graduate Gravitational Waves-Longitudinal or transverse
- binbagsss
- · Replies 1 ·
Undergrad Why is microgravity experienced on the ISS despite the presence of gravity?
- fog37
- · Replies 47 ·
Graduate Chicken or Egg? Gravity & Spacetime
- DWEdmondson
- · Replies 10 ·
Graduate Example Application Ricci Tensor & Scalar for 3D Understanding
- space-time
- · Replies 1 ·
High School Who really understands time dilation and relativity?
- dutchiexx
- · Replies 6 ·
Graduate Explicitly Deriving Spinor Representations from Lorentz Group
- JonnyMaddox
- · Replies 3 ·
High School Can light cones in relativity really be represented as hemispheres?
- Grimble
- · Replies 9 ·
Graduate How Does Relativistic Speed Affect the Force Exerted by a Train on Rails?
- jartsa
- · Replies 42 ·
Graduate Diagnosing an Equation in General Relativity
- Adam35
- · Replies 6 ·
Graduate Seizmic Activity & Quantum Gravity: LIGO Info & Plans
- exponent137
- · Replies 1 ·
Undergrad Increase Mass/Energy of Stationary Spacecraft?
- danndann1
- · Replies 14 ·
Graduate Change the FAQ? Also, how can 0-volume objects collide?
- okyl-dokyl-doo
- · Replies 19 ·
Graduate Why is 1/G Used in GR Lagrangian?
- nickyrtr
- · Replies 4 ·
Graduate Time, Spacetime & The Arrow of Entropy
- sanman
- · Replies 4 ·
Graduate Would a Alcubierre drive produce a gravity wave wake?
- newjerseyrunner
- · Replies 12 ·
Graduate Questions About Gravitational Waves
- Ontophobe
- · Replies 2 ·
Graduate What Causes Spacetime to Return to Uniformity?
- cosmonium
- · Replies 4 ·
Graduate Gravitational Waves and Frame-Dragging
- sanman
- · Replies 2 ·
Graduate Many questions about the LIGO Gravity Wave Experiment....
- gravity_devourer
- · Replies 13 ·
Graduate Gravitational Waves: Definition & General Overview
- martinbn
- · Replies 2 ·
Graduate GW Detection Confirmation: Time, Rate, & GRB?
- Gravitoastronomy
- · Replies 5 ·
Graduate Relativistic Mass: Q&A on KE, Gravity & Particle Speed
- GTOM
- · Replies 7 ·
Graduate Does LIGO Ruling Out Linear Gravity Theories?
- Gravitoastronomy
- · Replies 4 ·
Graduate Pull Mass from 2 Black Holes: Uncovering the Mystery of Gravity Waves
- .Scott
- · Replies 5 ·
High School Gravity-Velocity: Clarifying the Confusion
- Einstein's Cat
- · Replies 1 ·
Undergrad Michelson-Morley Exp: Does this Paper Have Validity?
- Dillopotot
- · Replies 4 ·
Graduate Time Dilation: Biologist's Question to Math & Relativity Experts
- merwyn
- · Replies 6 ·
Graduate Do the Conditions of the Big Bang and Light Speed Travel Share Similarities?
- Ananay Wadehra
- · Replies 4 ·
Graduate Transformation to locally flat coordinates
- Whitehole
- · Replies 20 ·
Graduate Is the Gravitational Twin Paradox Solved by Calculating Geodesic Paths?
- FallenApple
- · Replies 11 ·
Graduate Trying to understand length contraction
- Jmundi
- · Replies 13 ·
Graduate Gravitational waves speed in a medium
- Gerinski
- · Replies 2 ·
Undergrad Length Contraction: Lorentz vs Einstein Explained
- sawer
- · Replies 1 ·
Undergrad Gravity Wave Measurement: Measuring the Relative
- sidabao
- · Replies 4 ·
Graduate How did black holes merge in finite time?
- adrian_m
- · Replies 7 ·
Graduate What is the Source of 3 Sun M Energy Released in BH Merger?
- clinden
- · Replies 3 ·
Graduate How Do LIGO Photons Experience Shapiro Delay in Gravitational Waves?
- Leo.Ki
- · Replies 2 ·
Graduate Thought experiments about Gravitational Waves
- bubal
- · Replies 2 ·
Graduate Gravitational Waves research and Dark Matter
- Gerinski
- · Replies 5 ·
Graduate Gravitational Waves, Gravitons: Does Discovery Change Odds?
- ScientificMind
- · Replies 1 ·
High School Relativity of simultaneity and the balance of the systems
- Sisoeff
- · Replies 66 ·
Graduate Why Objects Move: The Role of Space in Motion Explained
- FallenApple
- · Replies 8 ·
Graduate Damping of Gravitational Waves
- anorlunda
- · Replies 7 ·
Graduate How Would You Experience Gravitational Waves at 1 Light Year?
- DaveC426913
- · Replies 10 ·
Graduate SpaceTime... Why can we access past but not future events
- BTBlueSkies
- · Replies 7 ·
Graduate Can black holes have densities comparable to entire galaxies?
- Borek
- · Replies 35 ·
High School Gravitational Waves: What Keeps Space-Time Together?
- Dipto
- · Replies 6 ·
Graduate Solve Reimann Curvature: Diff Geom Tips for Computing 256 Components
- Kevin McHugh
- · Replies 5 ·
Graduate Speed of Gravity Waves: An Unmeasured Assumption?
- Mark Harder
- · Replies 10 ·