how does gravity in a vacuum work is there a particle force or field that pulls on the affected object how does it reach across a vacuum where there is no touching matter.

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.So the space station is orbiting in our planet I understand that it’s being pulled down and its current inclination of orbit at the same time to where it’s technically in constant free fall and I also understand that Newton’s first law is an object in motion will stay out motion until force is acted upon it. But when I think about gravity I can’t seem to understand how it pulls does gravity have a particle or a link to the object it’s pulling in some way?

In: Physics