[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fRoQO9y5MJSsv207y4ccoS86mLsi1emkS6QaVTu4RlDU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-05-10 17:11:58",4116832,[8,9,10,11],"具有漂亮的外形","存在自转运动","是一个巨大气云","旋臂的物质密度低",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},7,"f54d1023ef90678584c3b32ee4bf6b26","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F55aef97d87f13cf7b4e06d84fab89e2c.png","地球历史及其生命的奥秘","f56d9efcbe914b3f8fe926957ec0c80c","1.1.3银河系与太阳王国","银河系向外伸出的四条旋臂组成的旋涡结构反映了银河系( )",[21,26,35,43,48,53,59],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],4116833,[30,31,32,33],"1500~2000","1500亿~2000亿","1000亿~1500亿","2000亿~2500亿","银河系是星系的典型代表,大约是由()颗恒星和大量星际物质组成的庞大天体系统",{"answer":36,"createTime":5,"id":37,"options":38,"question":41,"source":24,"type":42},[],4116834,[39,40],"正确","错误","太阳系里的八大行星都是由同一个旋转着的星云形成的",3,{"answer":44,"createTime":5,"id":45,"options":46,"question":47,"source":24,"type":42},[],4116835,[39,40],"八大行星自形成之日起便一直沿着各自固定或不固定的轨道绕太阳旋转",{"answer":49,"createTime":5,"id":50,"options":51,"question":52,"source":24,"type":42},[],4116836,[39,40],"太阳系在6600万年前正好处于银河系的旋臂中间",{"answer":54,"createTime":55,"id":56,"options":57,"question":58,"source":24,"type":42},[],"2023-05-10 18:42:05",4315181,[39,40],"侧面看银河系是由银核球向外伸出的四条旋臂组成的星云结构",{"answer":60,"createTime":55,"id":61,"options":62,"question":63,"source":24,"type":42},[],4315182,[39,40],"当太阳系处于银河系的旋臂外时人类诞生了"]