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What key concept does the General Theory of Relativity introduce?
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It introduces the concept that gravity is a curvature of spacetime caused by mass.
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Who developed the General Theory of Relativity?
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Albert Einstein developed the General Theory of Relativity, publishing it in 1915.
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What is the equivalence principle in General Relativity?
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The equivalence principle states that gravitational and inertial effects are locally indistinguishable.
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How does General Relativity differ from Newton's theory of gravity?
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General Relativity describes gravity as a geometric property of space and time, unlike Newton's force-based approach.
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What is a black hole according to General Relativity?
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A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing, not even light, can escape.
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How does General Relativity explain the precession of Mercury's orbit?
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General Relativity accounts for the precession through the curvature of spacetime near the Sun.
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What role do tensor equations play in General Relativity?
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Tensor equations describe the gravitational field and how mass and energy interact with spacetime.
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What is gravitational time dilation?
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Gravitational time dilation is the effect where time runs slower in stronger gravitational fields.
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How was General Relativity confirmed through observation?
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The deflection of light by the sun, observed during a solar eclipse in 1919, confirmed General Relativity.
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What is the cosmological constant?
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The cosmological constant was introduced by Einstein to achieve a static universe, later associated with dark energy and universal expansion.
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How does GPS technology relate to General Relativity?
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GPS satellites adjust for differences in time experienced in Earth's gravitational field compared to the satellites' orbit.
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What is frame dragging?
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Frame dragging is an effect where a massive rotating body 'drags' spacetime around with it.
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How does the bending of light occur in General Relativity?
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Light bends due to spacetime curvature around massive objects, a phenomenon known as gravitational lensing.
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What is a geodesic in the context of General Relativity?
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A geodesic is the path in spacetime that represents the shortest, or straightest, distance between two points, influenced by gravity.
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Describe Einstein's field equations.
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Einstein's field equations are a set of ten interrelated tensor equations describing the fundamental interaction of gravitation as a result of spacetime being curved by matter and energy.
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