"gravity, a property of space surrounding a mass (or energy) is an ever present, fundamental instantly appearing or disappearing field. The field has no mass., therefore can be superluminal.--- proposition 1 The appearance, creation and changes in the gravitational field happen, propagate at the speed of light. "c" --- proposition 2. ergo: If both facts have been verified. proven true, in a way, the superimposition of the two situations would create an interference pattern that would be discernible in our astronomical data, among others. or?