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 Einstein's Theory of Relativity: Laser Technique Questions
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Undergrad Can Numerical Simulations Accurately Predict Orbital Precession?
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Undergrad Twin Paradox: Which Twin is Older?
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Undergrad Gravitational Time and Length Change, Looking for mass formula
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Undergrad Special Relativity Time Dilation Santa question
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Undergrad Time Dilation: Layperson Question About Gravity's Effect on Time
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Undergrad Can Time Be a Dimension If It's Just a Human Construct?
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Undergrad Speed of Light: What Frame of Reference?
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Undergrad Time Dilation: Do Astronauts See Events on Earth Slower?
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Undergrad Is All Motion Truly Relative to Space?
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Undergrad Around the Earth Clock: Does Special Relativity Hold True?
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Undergrad Relativity & Spacetime: Interval Explained
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Undergrad Is there mass if there is no gravity?
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Undergrad Not a scientist, just wondering -- Shining a laser pointer into space
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Undergrad Will Distance Between Footsteps Change When Walking Near Light Speed?
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Undergrad Does Light Have Mass? Astrophysics Discussion
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Undergrad Does acceleration change according to inertial frame of reference?
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Undergrad Query regarding Special Relativity
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Undergrad Speed of Light: Is There Anything Faster?
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Undergrad Einstein's Train Thought Experiment
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Undergrad Relative Velocity Experiment - A Matter of Discussion
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Undergrad Why Is Gravity Considered a Fundamental Force in Physics?
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Undergrad The Doppler Effect: A Train Approaching a Stationary Observer
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Undergrad If everything is relative to each other in this universe
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Undergrad Relativity & "Measured" Velocities: Exploring Asimov's Understanding Physics
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Undergrad Schwarzschild Radius of Masses Other Than Black Holes
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Undergrad Relativistic Time, Length, Mass
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Undergrad Newton's Second Law (relativistic)
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Undergrad Time dilation due to changing the speed of rotation of the earth
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Undergrad Does speed of light change in strong gravitational fields?
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Undergrad Is Time Dilation Considered in Determining the Age of the Earth?
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Undergrad Clocks and Gravity: How Earth's Movement May Affect Timekeeping
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Undergrad What is the fabric of space time really like?
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Undergrad About time when you get closer to C
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Undergrad Forces with Constant Velocities: Formulas & More
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Undergrad Relativity of velocity entails equal velocity
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Undergrad Deriving the displacement of an object
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Undergrad Is gravity's speed really the speed of light?
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Undergrad Question about gravity's effect on moving bodies
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Undergrad How did Einstein come to the Conclusion of Spacetime?
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Undergrad Question about gravitational attraction
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Undergrad Mass/Energy in special relativity
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Undergrad What is the Lorentz Transformation Equation and its Use in Relativity?
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Undergrad How Does Speed and Gravity Affect Time Dilation?
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Undergrad Why does gravity not create resistance?
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Undergrad How to tell the difference between acceleration and gravity
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Undergrad Is it possible to tell whether ship is moving or not?
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Undergrad Biking at near the speed of light
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Undergrad Find Refractive Index of Liquid for Observer with Velocity
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Undergrad Twins paradox and time dilatation
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Undergrad Why Do Objects Float in Space Station (SS)?
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Undergrad Higgs field at near light speed
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Undergrad Transition from inertial to circular motion
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Undergrad How would you define an inertial frame of reference?
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Undergrad Realization we are moving in a system
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Undergrad Is Gravity Really a Pushing Force?
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Undergrad Relative Velocity: Deriving Velocity from Time & Distance
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Undergrad Confusion over length contraction
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Undergrad Einstein on the orbit of mercury, how does this fix Newton's theory?
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Undergrad Length contraction/time dilation mutually exclusive?
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Undergrad How does bending the time continuum affect time?
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Undergrad Do Photons Have Mass or Not?
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Undergrad Is Coulomb's Law a Spatial Concept or a Space-Time Phenomenon?
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Undergrad Faster than speed of light possible ?
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Undergrad Is the frequency of light relative?
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Undergrad Einstein's thought experiment about the speed of light
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Undergrad Special relativity and magnetism
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Undergrad Is the Location of Light relative due to its speed being constant
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Undergrad Help with Galilean transforms?
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Undergrad Twins Paradox: Why One Twin is Older When Reunited
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Undergrad Moving fairground light, thought experiment
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Undergrad Time dilation, is this correct?
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Undergrad How does GPS receiver calculate time delay?
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Undergrad Is the fabric of space time 2d or 3d
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Undergrad How do Gravity and Acceleration affect Clocks?
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Undergrad Is Gravity the only force that affects time?
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Undergrad Why Does Light Fall Into a Black Hole?
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Undergrad Does gravity affect the speed of light on Jupiter ?
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Undergrad Uncovering the Mystery of Time Dilation in Mechanical Watches
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Undergrad What is the Definition of the Age of the Universe and How is it Determined?
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Undergrad What Happens to Mass as it Approaches the Speed of Light?
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Undergrad Gravitational pull on an object
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Undergrad Mass-Energy Conservation: E/m=c^2
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Undergrad Why no electric field from a current in a wire? Length contraction.
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Undergrad Objects Moving Close to Light Speed: Mass Difference?
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Undergrad Question about Einstein's train thought experiment
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Undergrad A couple basic spacetime questions.
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Undergrad What space contracts in Special Relativity?
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Undergrad To Saturn at (nearly) the speed of light
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Undergrad The universal gravitational constant (G)
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Undergrad Can relativistic mechanics explain the concept of force?
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Undergrad Problems with Proper Length and Proper Time in SR
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Undergrad Gravitational Time Dilation: What is R in the Equation?
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Undergrad Everyday applications of relativity
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Undergrad Reason for a black hole's gravity?
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Undergrad What Is the Energy of Black Holes and Why Is It So Mysterious?
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Undergrad Why things cant go speed of light?
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Undergrad Length Contraction Affect on Mass: Physics Explained
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Undergrad Time dilation to go a specific distance
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Undergrad Velocities of objects moving towards and away from each other
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