Does everything produce a gravitational field in zero gravity?
In general, the answer to all of your questions is yes, but your wording is a bit off. Gravitational fields don’t occur in zero gravity – that’s like saying that Coke only exists in the absence of Coke…. I’m going to try to explain it all for you, so bear with me. Any two objects in the universe experience gravitational attraction. If you had a universe that was entirely empty except for two grains of sand, and they were 5 billion light years apart from each other, they would still be attracted to each other, and eventually collide. Take those same two grains of sand and put them just as far apart in our universe. They still experience the same gravitational attraction, it’s just that each would be MORE attracted to something else closer and more massive, which would prevent them from bringing each other together. What you’re thinking of by “zero gravity” is more correctly referred to as “microgravity” (which is actually a misleading term). In any region of space, one particular obje
