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十大彩票——zhongguokexueyuanbanyuanfangzhen

十大彩票  > 每日科学

新估算称银河系或有60亿颗类地行星

2019-06-18 科技日报 刘霞
【字体:

yuyinbobao

十大彩票  juwulixuejiazuzhiwang16ribaodao,jianadakexuejiazaizuixinyiqi《tianwenxuezazhi》zhuanwenzhichu,tamendejisuanbiaoming,yinhexiyueyou60yikeleisidiqiudexingxing。yanjiurenyuanqiangdiaoshuo,gujibutonghengxingzhouweichuxianbutongxingxingdejilv,keyiduixingxingdexingchengheyanhualiluntigongzhongyaoxianding,bingyouzhuyuyouhuaweilaijiangkaizhandezhizaixunzhaoxingxingderenwu。

  zuixinyanjiuhezuozhe、buliediangelunbiyadaxue(ubc)demixieer·guobenjieshishuo,yikexingxingruguoyaobeishiweileisidiqiudexingxing,zezheikexingxingbixushiyanshixingxing,daxiaoyudiqiuchabuduo,weiraoleisitaiyangdehengxing(gxinghengxing)xuanzhuan。erqie,zheikexingxingbixuweiyuhengxingyijuqunei,zaigaiquyunei,yanshixingxingdebiaomiankeyirongnayetaishui,yinci,youqianlishiheshengmingfanyanshengxi。

  guobenshuo: “shidacaipiaodejisuanbiaoming,meikegxinghengxingyongyouleidixingxingdeshangxianwei0.18ke。ciqian,youkexuejiagusuanmeikeleirihengxingyongyouqianzaiyijuxingxingdeshuliangcong0.02kedaochaoguo1kebudeng。”

  yanjiulingyihezuozhe、ubctianwenxuejiajiemi·maxiuzhichu: “yinhexizhiduoyongyou4000yikehengxing,qizhong7%shigxinghengxing,zheiyiweizhezaiyinhexizhongkenengzhiyoubudao60yikeleidixingxing。”

  tongchang,yuqitaleixingdexingxingxiangbi,leidixingxinggengrongyichengweixiwaixingxingsousuorenwude“louwangzhiyu”,yinweitamentaixiao,erqiejuhengxinghenyaoyuan,zheiyiweizhexianyouxiwaixingxingmulushangchuxiandexingxingjinjinzhishibeisousuohengxingzhouweixingxingdeyixiaobufen。

  youjianyuci,guobenshiyongyizhongmingwei“zhengxiangjianmo”dejishulaikefushangshuwenti。tajieshishuo: “shidacaipiaoshouxianmonilekaipuletaikongwangyuanjingsuosouxunhengxingzhouweixiwaixingxingdezongshu。jiyushidacaipiaodexingxingsousuosuanfazhaodaotamendekenengxing,shidacaipiaojiangmeikexingxingbiaojiwei‘yifaxian’huo‘weizhaodao’。ranhou,shidacaipiaojiangtancedaodexingxingyushidacaipiaodeshijixingxingmulujinxingbijiao。ruguomonijieguofeichangjiejin,neimezuichudexingxingshulianghenkenengjiushiraozheixiehengxingyunxingdexingxingdeshijishuliang。”

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