3 ms·I would say it is filled with not made out of. The emptiness of space is not made out of particles.by kosh2 6y agoI would say it is filled with not made out of. The emptiness of space is not made out of particles.pixl97 6y agoThe emptiness of space is filled with fields.kosh2 6y agoYes. But as far as I know, space itself is not made out of particles.pixl97 6y agoThis depends what you think about virtual particles and quantum foam.