the neutrons pollution of a gravity will moving the same
gravity has not effect_of_pulling_things_down fast_neutron is neutron. neutronium is neutron_matter. neutrons has about_as_much_mass_as_protons gravity is what_keeps_things_on_earth. neutrons has not spin neutrons has not about_as_much_mass_as_protons fast_neutron is not neutron. gravity has effect_of_pulling_things_down neutrons has spin