The gravitational deflection of light has to be zero when c is constant.
2.
In a similar way, Einstein predicted the gravitational deflection of light : in a gravitational field, light is deflected downward.
3.
Thus it will also provide stringent new tests of gravitational deflection of light caused by the Sun which was predicted by General relativity.
4.
The entire sky is slightly distorted due to the gravitational deflection of light caused by the Sun ( the anti-Sun direction excepted ).
5.
These masses can be determined by observing the periods of the moons of each planet or by observing the gravitational deflection of spacecraft passing near a planet.
6.
Because the method relies on detecting the amount of gravitational deflection induced during an interaction, the procedure works best for objects which will produce a large deflection in their interactions with other objects.
7.
The only comments I'd make is 1 . " the gravitational deflection of light : "-isn't this effect observed when massive bodies pass in front of stars making them appear to move slightly to the observer-Is this observed during eclipses ? perhaps a mention . 2.
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