Consider light travelling from the origin, along any any axis . This light will have traveled a distance,
Substituting in (Equation 4a and 4b),
- (equation 5a)
- (equation 5a)
gives
Multiplying each sides of these equations gives,
Light traveling out in any directions
edit
Consider light travelling from the origin, in any direction f. This light will have traveled a distance,
-
- ????
Substituting in (Equation 4a and 4b),
- (equation 5a)
- (equation 5a)
gives
-
-
where,
-
Multiplying each sides of these equations gives,
-
-
-
-
-
-
-
Setting gives,
-
Setting gives,
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- ???? not correct ????