smaller orbits more / rise in weight
oceans is much_bigger_than_humans. helium_gas is heavier_than_hydrogen_gas. fly is smaller_than_butterfly. heavier_objects has greater_gravity_than_small_objects helium_balloon is very_light_weight. helium_balloon is not very_light_weight. helium has atomic_weight_of_four heavier_objects has not greater_gravity_than_small_objects if_balloon has not helium_then_rises if_balloon has helium_then_rises