Light & Gravity: Does Light Bend Spacetime?

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SUMMARY

Light bends spacetime due to its energy contribution, as established by general relativity. When light travels through a gravitational field, it follows the curvature of spacetime, demonstrating that light itself has an effect on gravity. An empty space contains less mass than the same space filled with light, indicating that light possesses a gravitational influence. This discussion confirms that light not only follows the curvature of spacetime but also contributes to it.

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brianhurren
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So light can be bent by a gravitational field, and follows the curvature of spacetime. does light have a gravity field of its own? does light bend spacetime?
 
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Yes, light moving through space adds to the energy of that region of space and contributes to gravity. In other words, an empty box has less mass than the same box full of light.
 
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