Surrounding the planets usually exists the various atmosphere. Due to this atmosphere, one light ray crossing the planet will be refracted more if it comes more closely to the planet's surface. So how to know that " gravity field phenomenon is the curved light ray" is not created by the planets'...
experiment in the warehouse
Using a Laze light and curtain far from it 50 m. It is supposed that A is a light centre when having no aberration phenomenon. Because the Earth moves at the speed of 30 km/s, therefore, at any period, the aberration phenomenon will happen at maximum - light point...