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太阳系能“活多久”?太阳系有多大?

jibainianlai,tianwenxuejiahewulixuejiayizhizainuligaoqingchutaiyangxidaodineng“huoduojiu”。ergenjuyanjiurenyuandezuixinmoni,kaolvdaogezhongzhongyaoyingxiangyinsu,taiyangxide“shouming”yaoyuanyuandiyushangshijisuoyucedeyibaiyiyinian。

jiazhoudaxueluoshanjifenxiaodetianwenxuejiaqiaoen•jinke(jon zink)hemixiegendaxuedetianwenxuejiakangsitanding•badijin(konstantin batygin)zaixinfabiaodelunwenzhongxiedao,“lijietaiyangxidezhangqidongtaiwendingxing,shitiantiwulixuezuijiuyuandezhuiqiuzhiyi。zheikeyizhuisudaowulixuejiaaisake•niudun(isaac newton)deshiqi,tatuicexingxingzhijiandexianghuzuoyongzuizhonghuidaozhitaiyangxidebuwending。”

danyuceshoumingbiwomenxiangxiangdegengweifuza。

亚博游戏genjuntiwenti(n-body problem),canyudonglixitong、xianghuzuoyongdewutishuliangyueduo,xitongbianhuayuefuza,duiqiyuceyuekunnan。suoyi,youyuzheizhongfuzaxing,ruguochaochuyidingshijiankuaduduitaiyangxitiantideguidaojinxingyuce,zheizhongyucejieguodezhunquexingjiangnanyibaozheng。

tianwenxuejiazai1999niancengzuochuyuce,taiyangxizhishaoxuyaoyibaiyiyiniancaihuimanmanjieti。danqiaoen•jinkedeyanjiutuanduicheng,zheiyigusuanyiloulekenengdaozhitaiyangxizaodaopohuaideyixiezhongyaoyinsu。

shouxian,yaokaolvdaotaiyangdecunzai。dayue50yinianhou,suizhetaiyangdexiaowang,tahuipengzhangchenghongjuxing,tunmeishuixing、jinxinghediqiu。ranhou,tajiangshifangqijinyibandezhiliang,youhengxingfengchuixiangtaikong,shengxiadebaiaixingjiangzhiyoudangqiantaiyangzhiliangde54%。zheizhongzhiliangdejianshaohuijianxiaotaiyangduiqiyuxingxing、waibuqitihebingjuxing ( ice giants )dengdeyinli。

亚博游戏qici,dangtaiyangxiweiraoyinhexizhongxinyunxingshi,dayuemei2300wannianjiuhuishoudaoqitaxingqiuderaodongyingxiang。yanjiurenyuanxiedao,“zhiyaoyouzugoudeshijian,yixiexingxingzaiyunxingguochengzhongjiuhuihuxiangjiejin,congerfenlihuozhepohuaiqitaxingxing。”

亚博游戏kaolvdaozheixieewaideyingxiang,qiaoen•jinkedeyanjiutuanduishiyongshared hoffman2 cluster,duiwaibuxingxingjinxingle10cintimoni。zheixiemonifenchenglianggejieduan,congkaishizhidaotaiyangdezhiliangsunshijieduan,yijizhiliangsunshihoudejieduan。suiran10cimonibushiyigepangdadetongjiyangben,dangaiyanjiutuanduifaxianmeicimonidouyouleisidechangjingchuxian。

亚博游戏zaitaiyangwanchengxiangbaiaixingdejinhuahou,waixingxingdeguidaokuoda,danrengranbaochixiangduiwending。buguo,muxinghetuxingyi5:2wendinggongzhen,jimuxingweiraotaiyangmeigongzhuanwuci,tuxingweiraotaiyanggongzhuanliangci。kuodadeguidaoyijixingxinggongzhenshidetaiyangxigengrongyishoudaoxingxingjingguoshiraodongdeyingxiang。

300yinianhou,zheizhonghengxingraodongjiangneixiewendingdeguidaoniuquchenglehunluandeguidao,daozhixingxingdesunshi。chuleyikexingxingwai,suoyoudexingxingdoutuoliletamendeguidao,jiuxiangliumangxingxingyiyangtaowangyinhexi。shengxiadezheikegududexingqiuhaijiangcunzai500yinian,dantademingyunyijingzhuding。zuihou,tayejiangbeijingguodehengxingsuoyingxiangpohuai。zuizhong,zaitaiyangbianchengbaiaixing1000yinianhou,taiyangxibianbufucunzai。

monidexiaowangshijianbi1999niantichudeshijianyaoduandeduo。yanjiurenyuanhaizhuyidao,zheiqujueyudangqianduiyinhehuanjingdeguance,yijiduihengxingfeixingdeguji,zheiliangzhedoukenengfashengbianhua。yejiushishuo,yishanggucedeshijianbingfeiyichengbubian。

亚博游戏jishiduitaiyangxixiaowangshijiandegujiqueshifashenglebianhua,juligujidexiaowangshijianhaiyoushushiyinian。renleikandaotaiyangxixiaowangdekenengxingjiangweihuqiwei。(tianmenshan)

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