Gravity effect on light

  • #1
50
0
So light has momentum: [itex]\vec p_{light}[/itex]

If Universal Gravitation tells us: [itex]\vec F = \frac{Gm_1m_2}{r^2}[/itex]

How do we get the force on light from the more massive object?........ How do we know how much light will be shifted?
 

Answers and Replies

  • #2
DaveC426913
Gold Member
20,000
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Looking up gravitational lensing should give you some of the answers you seek.

We don't talk about the force of gravity - that's Classical Newtonian - we talk about the curvature of spacetime.
 
  • #3
50
0
Looking up gravitational lensing should give you some of the answers you seek.
Okay thanks
 

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