What exactly causes gravity?
What causes gravity? Do matter's properties have anything to do with gravity?
How does gravity work, and is gravity a matter or something else? Does mass have an affect on gravity? In what way mass affects gravity? Does gravity affect energy? How can gravity affect energy? Does every object have gravity? How is the gravity work? Why do we take gravity as a constant? Does gravity have a particle? Is gravity and forces energy or caused/created by it? How is gravity made? Do we have 100% proof that gravity is caused by the bending of space by matter, or is this just a hypothesis which satisfies observations? What is a gravity well? Is gravity constant? Why or why not? What are some of the applications of specific gravity? Why is gravity constant? What is the nature of mass, gravity and space? Is gravity a particle? What are the advantages and disadvantages of gravity? Does gravity affect the speed of light? Does gravity affect the speed of light? Is energy the source of gravity? Is gravity a law or a theory? Is gravity only a theory? Is no-gravity ever advantages in certain situations? How does gravity affect light if it has no mass? What does gravity look like? Why is gravity infinite? Is there gravity in space? Why do black holes have gravity?