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Lecture 13

Lecture 13

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Department
Origins
Course
ORIGINS 2B03
Professor
Laura Parker
Semester
Fall

Description
Lecture 13Tuesday October 11 20111230 PMLight is diffracted due to the gravitational field but it has no mass so howGravitational Red ShiftSomething is moving away from you it loses energyLight loses energy as it moves through a massive object sun rays in the sunTo leave the earth it needs to travel 11kmsSpacetime and GravityDistance from the gravitational source effects timeThe closer you are the slower your clock ticksWarpThe more massive an object is the more it will distort spacetimeCurvature of spacetime is gravityGravity WavesPredicted by GR and NewtonGravitational disturbances causes ripples in spacetimeSupernovaThese ripples travel at the speed of lightThey only effect precise experimentsGravity waves can cause really small changes in length two towers in MexicoGravity might not be a weak force it might just exist in other dimensions
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