本文为【有科学家猜测冥王星外可能存在着多个行星】的汉字拼音对照版显示拼音
据ju国guo外wai媒mei体ti报bao道dao,在zai搜sou寻xun太tai阳yang系xi第di九jiu大da行xing星xing的de竞jing相xiang角jiao逐zhu中zhong,全quan世shi界jie的de科ke学xue家jia都dou试shi图tu利li用yong在zai海hai王wang星xing外wai小xiao型xing天tian体ti的de运yun行xing轨gui迹ji来lai计ji算suan它ta的de运yun转zhuan轨gui道dao。如ru今jin,来lai自zi西xi班ban牙ya和he剑jian桥qiao大da学xue的de天tian文wen学xue家jia经jing过guo全quan新xin的de计ji算suan,参shen考kao六liu个ge外wai海hai王wang星xing轨gui道dao的de天tian体ti运yun行xing轨gui道dao,他ta们men可ke以yi确que认ren第di九jiu大da行xing星xing的de存cun在zai也ye许xu并bing不bu像xiang我wo们men想xiang象xiang的de那na么me稳wen定ding。今jin年nian初chu,加jia州zhou理li工gong学xue院yuan的de天tian文wen学xue家jiaK. Batygin和heM. Brown宣xuan布bu,他ta们men发fa现xian太tai阳yang系xi中zhong存cun在zai一yi颗ke巨ju型xing行xing星xing,质zhi量liang大da约yue为wei地di球qiu的de10倍bei,以yi扁bian平ping的de椭tuo圆yuan轨gui道dao围wei绕rao太tai阳yang运yun行xing。
这zhe颗ke神shen秘mi的de行xing星xing大da约yue需xu要yao1万wan至zhi2万wan年nian完wan成cheng一yi次ci公gong转zhuan。为wei了le得de出chu这zhe个ge结jie论lun,他ta们men利li用yong六liu个ge外wai海hai王wang星xing外wai天tian体ti的de轨gui道dao数shu据ju进jin行xing了le计ji算suan机ji模mo拟ni。不bu过guo,来lai自zi西xi班ban牙ya的de天tian文wen学xue家jiaCarlos和heRaul兄xiong弟di,与yu剑jian桥qiao大da学xue天tian文wen研yan究jiu所suo的deSverre J. Aarseth则ze从cong另ling一yi个ge角jiao度du来lai考kao虑lv这zhe个ge问wen题ti:如ru果guo第di九jiu大da行xing星xing真zhen的de存cun在zai,这zhe六liu个ge“海hai外wai天tian体ti”的de运yun转zhuan轨gui道dao该gai如ru何he进jin化hua?
Carlos表biao示shi,如ru果guo按an照zhao加jia州zhou理li工gong学xue院yuan的de天tian文wen学xue家jia所suo提ti出chu的de第di九jiu大da行xing星xing的de运yun转zhuan轨gui道dao,计ji算suan表biao明ming这zhe六liu个ge外wai海hai王wang星xing天tian体ti将jiang以yi十shi分fen细xi长chang而er不bu稳wen定ding的de轨gui道dao运yun转zhuan。这zhe些xie天tian体ti将jiang在zai15亿yi年nian内nei逃tao离li太tai阳yang系xi,这zhe段duan时shi间jian在zai天tian文wen学xue上shang是shi不bu算suan非fei常chang漫man长chang。这zhe些xie研yan究jiu成cheng果guo还huan引yin出chu了le一yi个ge新xin问wen题ti:这zhe些xieETNOs究jiu竟jing是shi短duan暂zan存cun在zai且qie不bu稳wen定ding的de,还huan是shi永yong久jiu存cun在zai且qie稳wen定ding的de。而er事shi实shi上shang,无wu论lun真zhen实shi情qing况kuang如ru何he,这zhe些xie天tian体ti的de运yun行xing都dou将jiang影ying响xiang到dao它ta们men的de轨gui道dao进jin化hua及ji数shu值zhi模mo型xing。
Carlos表biao示shi,若ruo外wai海hai王wang星xing天tian体ti是shi短duan暂zan存cun在zai的de,它ta们men正zheng持chi续xu被bei排pai斥chi,且qie1000天tian文wen单dan位wei外wai(奥ao尔er特te云yun)的de某mou处chu必bi然ran有you个ge稳wen定ding的de来lai源yuan。不bu过guo,若ruo它ta们men是shi长chang期qi稳wen定ding的de,那na么me它ta们men在zai运yun转zhuan轨gui道dao上shang必bi然ran有you许xu多duo相xiang似si之zhi处chu,只zhi是shi我wo们men暂zan时shi还huan没mei有you发fa现xian。无wu论lun如ru何he,所suo有you的de统tong计ji资zi料liao及ji数shu值zhi数shu据ju都dou表biao明ming,最zui稳wen定ding的de情qing况kuang是shi其qi中zhong一yi个ge外wai海hai王wang星xing天tian体ti的de所suo处chu位wei置zhi上shang不bu仅jin只zhi有you一yi个ge行xing星xing,意yi味wei着zhe在zai冥ming王wang星xing外wai可ke能neng存cun在zai着zhe多duo个ge行xing星xing,相xiang互hu共gong振zhen,才cai能neng解jie释shi这zhe些xie结jie论lun。
西xi班ban牙ya天tian文wen学xue家jia指zhi出chu,这zhe意yi味wei着zhe除chu了le第di九jiu大da行xing星xing,可ke能neng还huan存cun在zai着zhe第di十shi大da,甚shen至zhi更geng多duo行xing星xing。这zhe些xie研yan究jiu仅jin仅jin只zhi是shi无wu数shu国guo际ji天tian文wen学xue同tong行xing在zai数shu值zhi模mo拟ni及ji其qi他ta技ji术shu的de帮bang助zhu下xia寻xun找zhao第di九jiu大da行xing星xing的de其qi中zhong之zhi一yi。Batygin和heBrown将jiang使shi用yong最zui新xin数shu据ju发fa布bu新xin的de轨gui道dao模mo型xing。在zai法fa国guo,来lai自zi巴ba黎li天tian文wen台tai的deJacques Laskar博bo士shi及ji其qi团tuan队dui也ye在zai争zheng取qu首shou先xian计ji算suan出chu这zhe颗ke可ke能neng的de第di九jiu大da行xing星xing的de位wei置zhi以yi便bian将jiang来lai观guan察cha。
近jin几ji个ge月yue最zui具ju革ge命ming性xing的de研yan究jiu是shi由you来lai自zi瑞rui典dian隆long德de大da学xue的deAlexander Mustill所suo带dai领ling的de研yan究jiu,他ta认ren为wei第di九jiu大da行xing星xing可ke能neng是shi颗ke系xi外wai行xing星xing。他ta认ren为wei,大da约yue45亿yi年nian前qian,年nian轻qing的de太tai阳yang在zai一yi些xie有you利li条tiao件jian下xia从cong邻lin近jin的de恒heng星xing周zhou围wei“偷tou”来lai了le这zhe颗ke行xing星xing。不bu过guo,也ye有you其qi他ta的de科ke学xue家jia并bing不bu认ren同tong。现xian在zai,辩bian论lun开kai始shi了le。不bu过guo,所suo有you的de天tian文wen学xue家jia都dou同tong意yi密mi切qie关guan注zhu外wai海hai王wang星xing天tian体ti的de动dong向xiang将jiang有you助zhu于yu调tiao整zheng计ji算suan变bian量liang,并bing有you可ke能neng发fa现xian第di九jiu大da行xing星xing。当dang然ran,能neng直zhi接jie观guan察cha到dao它ta的de存cun在zai自zi然ran是shi最zui好hao,许xu多duo研yan究jiu团tuan队dui正zheng争zheng先xian恐kong后hou,希xi望wang能neng拔ba得de头tou筹chou。
【原文】