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 How Does Newton's Gravitational Constant G Fit into Einstein's Relativity?
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Undergrad Invariant Quantities in SR: Explained
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Undergrad If Earth's orbital speed doubled, would its mass and gravity double?
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Undergrad Why Do People Age Slower When Traveling Near the Speed of Light?
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Undergrad Is Mass Really Condensed Energy
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Undergrad Cause of Gravitation: What Is It?
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Undergrad Could Zero Distance Create Infinite Gravitational Force?
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Undergrad E=mc^2 Explained: Momentum and c
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Undergrad Mass Dilation: Does 0.9c Travel Increase Mass?
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Undergrad Gravity is Time? | General Relativity Explained
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Undergrad Why do clocks appear to run at different speeds when traveling at high speeds?
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Undergrad Difference between acceleration and gravitational field?
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Undergrad Why is max speed, speed of light?
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Undergrad Questions on the nature of Speed of Light
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Undergrad Equal Energy Exchange in Gravitationally Attracted Objects?
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Undergrad Understanding Relativistic Momentum in Special Relativity
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Undergrad Opinions on Red Shift? Discuss Here
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Undergrad Relativity question(layperson level)
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Undergrad Time Dilation: Does Length Contraction Apply?
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Undergrad Simplest way of deriving Lorentz transforms
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Undergrad How would two massive bodies effect eachothers gravity?
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Undergrad Need help understanding time dilation
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Undergrad Does incurvation of space requires energy?
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Undergrad Curvature of Space: Explaining Gravitational Forces
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Undergrad Condition for a particle to move relativistically
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Undergrad How Does General Relativity Challenge Newton's Elliptical Orbits?
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Undergrad How Does Stephen Hawking's Theory Connect Time and Mass?
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Undergrad What is the difference between time dilation and length contraction?
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Undergrad Understanding the Mass-Energy Equivalence Concept behind E=mc2
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Undergrad Is the concept of relativity portrayed accurately in Ender's Game?
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Undergrad Why can't light escape black holes?
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Undergrad Increase of mass and legth contracts with speed?
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Undergrad Einsteins Vs Newtonian Solution
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Undergrad Help understanding a relativity train
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Undergrad Understanding Proper Time in Einstein's Special Theory of Relativity
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Undergrad Photon Speed in a Wave: How Does It Work?
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Undergrad Small problem with getting to E=mc^2
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Undergrad From what frame of reference does the Earth orbit the sun?
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Undergrad Mass Motion & Time: Acceleration & Momentum Impact on Measurable Time
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Undergrad Scalar Curvature, R, for Dummies
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Undergrad A noob asking about relativistic kinetic energy.
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Undergrad Purpose of Michelson-Morley Experiment?
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Undergrad Speed of Light - Highest Possible Speed?
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Undergrad Understanding Time Elasticity: How to Visualize the Concept
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Undergrad How does light know which path to take ?
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Undergrad Lorentz Transformations, help me grasp them?
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Undergrad Time Dilation: Understanding the Formula
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Undergrad Black Hole Mass, Rotation & Matter: Explained
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Undergrad Why did Michleson assumed that ether is moving ?
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Undergrad WIKI and Time Dilation: The Possible Error in Relative Velocity
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Undergrad Interacting gravitational fields
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Undergrad Could you use contained light as a form of propulsion?
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Undergrad Testing whether gravity bends light
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Undergrad Equivalence Principle Explained - What is it?
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Undergrad Faster-than-light newbie question
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Undergrad Solving the Mystery of Graviton & Einstein's Accelerating Frame Model
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Undergrad Hooke's Law & SR: Does k Change with Moving Springs?
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Undergrad Gravity - a function of mass or of density?
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Undergrad Link between Thermo and Special Rel?
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Undergrad Can Two Events Be Simultaneous in Multiple Reference Frames?
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Undergrad Can Gravitational Force Depend on Medium Like Electric Force Does?
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Undergrad Does energy has gravitational force?
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Undergrad E=mc2 | If something has near zero mass, can it move?
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Undergrad Relativity & Twins: What Happens When Two Move Away & Return?
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Undergrad Understanding Relativity: An Introduction for A-Level Students
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Undergrad Question about Galileo's principle of relativity
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Undergrad E=MC2 vs. m² = E² - p²: Motion vs Rest
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Undergrad Special relativity Only Valid Under Handpicked Conditions?
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Undergrad Can Time Travel Really Alter Our Perception of Communication?
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Undergrad Is the presence of 'c' in E=mc^2 coincidence?
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Undergrad General Relativity- the Sun revolves around the Earth?
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Undergrad Coordinate Systems: GR vs Newtonian
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Undergrad Question about Black Holes and Speed
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Undergrad Can Energy be Converted into Mass?
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Undergrad Does Relative Speed Affect Gravitational Attraction?
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Undergrad Can you accelerate faster than the speed of light?
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Undergrad Curvature in space time ? Gravity
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Undergrad The world revolves around a person
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Undergrad What is the best frame of reference?
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Undergrad Does light really travel in same frame of reference
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Undergrad Impossibility of Backwards Time Travel
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Undergrad Near Light Speed Travel & Time Dilation I don't get it.
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Undergrad Gravitational Field Strength and Acceleration on Mars
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Undergrad Newton's Third Law, Speed of Light, and Relativity question
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Undergrad Trying to understand Relativity
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Undergrad Is There a Solution for Installing GRTensorII on Mac OS X?
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Undergrad How did Einstein come to the conclusion
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Undergrad Special relativity adandons Maxwell's mechanical interpretation of EM?
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Undergrad Tapping a message over lightyears in an instant?
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Undergrad Can Light Really Be Slowed to 38 mph?
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Undergrad Has General relativity been proven wrong ?
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Undergrad Time Travel Proposal: Observing Objects from the Past?
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Undergrad Comparing Lorentz and Einstein: Questions Answered
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Undergrad Gravity /electromagnetism /measuring
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Undergrad Can wormholes make you travel faster then c
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Undergrad Why Can't Anything Exceed the Speed of Light?
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Undergrad How do we know that gravity results from mass?
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Undergrad Accel Qs: Is Velocity Affected by Gravitational Acceleration?
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Undergrad Gravity: What Powers Mass's Pull on Objects?
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Undergrad Can Centrifugal Force Overcome Gravity?
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