{"gt_parse": {"text_sequence": "n lo w Ea rth orb it. Metal s hiel ding on spa ce v ehicl es prote cts aga inst onl y 25- 30% of space ra diation possibly le aving colo nizers expose d to the othe r 70% of radiation and its shor t and long-ter m health complic ations. Implement ation.Building colon ies in space w"}}