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After a more detailed analysis of the "near North structure" area (corresponding to the star team in the left figure of Figure 3) about 10000 light-years away from the sun and 16000 light-years vertically from the silver plate plane, based on the data of star age available in LAMOST, the researchers carved a time evolution sequence for this Star team called "near North structure", that is, made a prehensive age generalization for this star team
旅行世界APP介绍
旅行团是旅行世界的收益分成系统，开放给所有用户，目的是让用户在玩游戏的同时收益*大化，娱乐和赚钱
1、你的旅行团成员包括：直邀好友、扩散好友（好友邀请的好友）。
2、好友活跃收益：根据直邀好友、扩散好友的[活跃时长]、[看视频贡献比例]、[邀请好友数]等因素综合计算，直邀好友，扩散好友越多，每天坐享活跃收益越多：1个直邀好友=2个扩散好友
3、关于目标金额和倍率说明
（1）完成目标金额，用户确认后收益自动划转到你的*，可立即；并且自动晋级下一个阶段；
（2）晋级下一阶段后，有额外加速倍率哦，完成目标越多，加速倍率越高；加速倍率的作用是协助您更快达到目标，例如A的活跃收益是10元，倍率是1.2，实际收益=10*1.2=12元
It is found that there are young and old members of this stellar family with large age distribution span, but they are relatively young in general. At the same time, it is found that the "north near structure" can be detected by humans with a "survival time" of about 6 billion years (as shown in Figure 5), that is to say, scientists have calculated that this asymmetric "north near structure" exists for about 6 billion years, and then it will "end." Stars scattered. Because with the increase of the age of the star, the speed of the star disperses, and after about 6 billion years of existence, the team of stars may disband itself.
