spacetime articles
What are gravitational waves fundamentally described as?
At what speed do gravitational waves travel in a vacuum?
What condition is necessary for the generation of detectable gravitational waves?
Which catastrophic event represents the most energetic source known for producing gravitational waves?
How does the propagation of gravitational waves contrast with sound waves?
What is the observational phenomenon when a neutron star merger is seen via both light and gravitational waves?
What geometrical effect do gravitational waves cause on a circle of freely floating test particles as they pass?
What distinguishes the propagation of a gravitational wave from that of light (an electromagnetic wave)?
Why must gravitational radiation be at least quadrupole radiation, unlike electromagnetic waves?
How does the amplitude of a gravitational wave change as it propagates over vast interstellar distances?
What are the two possible polarizations that describe how a gravitational wave can stretch and squeeze spacetime?
How does General Relativity depict gravity in contrast to Newton's simpler picture?
What mathematical object is identified as the true source of spacetime curvature?
What components, besides mass-energy density, contribute to the stress-energy tensor?
What is the definition of a geodesic in curved spacetime?
What is the primary conceptual flaw of the stretched rubber sheet analogy?
If a massive object suddenly moved or vanished, how would the spacetime distortion adjust?
What does the feeling of being pushed up by the ground (weight) signify in General Relativity?
How is an astronaut in deep space, experiencing weightlessness, best described as moving?
What do the Einstein Field Equations mathematically link together?