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  1. Examples of general relativity are1234:
    • Black holes, which are regions of space where gravity is so strong that nothing can escape.
    • Gravitational waves, which are ripples in space-time caused by accelerating masses.
    • Gravitational lensing, which is the bending of light by massive objects.
    • Gravitational time dilation, which is the slowing of time near a strong gravitational field.
    • Gravitational redshift, which is the shift of light to lower frequencies near a strong gravitational field.
    • The orbit of Mercury, which deviates from Newtonian predictions due to the curvature of space-time.
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    General relativity describes new phenomena, which the old Newtonian law of gravity could not predict: examples of this are black holes (in principle, Newtonian gravity can predict they exist, but not describe them to the extent of GR) and gravitational waves (this is a totally unique phenomenon to GR).
    profoundphysics.com/general-relativity-for-dummies/
    Einstein made a series of predictions using General Relativity. For example, using his theory, he explained why Mercury’s orbit drifts – because of this distortion of space-time.
    scienceissimple.com/general-relativity/
    Gravitational time dilation, gravitational lensing, the gravitational redshift of light, gravitational time delay, and singularities/black holes are examples of such differences.
    www.vedantu.com/physics/general-relativity
    General relativity has been experimentally verified by observations of gravitational lenses, the orbit of the planet Mercury, the dilation of time in Earth ’s gravitational field, and gravitational waves from merging black holes.
    www.britannica.com/science/general-relativity
  2. People also ask
    One of the basic tenets of general relativity is that inside a container following a geodesic of space-time, such as an elevator in free-fall, or a satellite orbiting the Earth, the effect would be the same as a total absence of gravity. The paths of light rays are also geodesics of space-time, of a special sort, called “null geodesics.”
    Einstein’s general theory of relativity (1916) again makes use of a four-dimensional space-time, but incorporates gravitational effects. Gravity is no longer thought of as a force, as in the Newtonian system, but as a cause of a “warping” of space-time, an effect described explicitly by a set of equations formulated by Einstein.
    Special relativity indicates that, for an observer in an inertial frame of reference, a clock that is moving relative to the observer will be measured to tick more slowly than a clock at rest in the observer's frame of reference. This is sometimes called special relativistic time dilation.
    The form of the Lagrangian also makes the relativistic action functional proportional to the proper time of the path in spacetime. In covariant form, the Lagrangian is taken to be: where σ is an affine parameter which parametrizes the spacetime curve. Lagrangian mechanics can be formulated in special relativity as follows.
  3. 12 Ways Albert Einstein Changed the World - Interesting Facts

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