第76章 对火星轨道变化问题的最后解释 (第12/12页)

almotion，buttheyarenotsastodestroythestableplaarymotionwithinthelifetimeoftherealsolarsystem.thesedfeature，whichwethinkismoreimportantfortheloabilityofourplaarysystem，isthedifferendynamicaldistaweenterrestrialandjovianplaarysubsystems(itotanikawa1999，2001).whenwemeasureplaaryseparationsbythemutualhillradii(r_)，separationsamongterrestrialplasaregreaterthan26rh，whereasthoseamongjovianplasarelessthan14rh.thisdifferenceisdirectlyrelatedtothediffereweendynamicalfeaturesofterrestrialandjovianplaerrestrialplashavesmallermasses，shorterorbitalperiodsandwiderdynamicalseparation.theyarestronglyperturbedbyjovianplahathavelargermasses，longerorbitalperiodsandnarrowerdynamicalseparation.jovianplasareurbedbyanyothermassivebodies.

    thepresentterrestrialplaarysystemisstillbeingdisturbedbythemassivejovianplas.however，thewideseparationandmutualiionamoerrestrialplasrehedisturbaneffective;thedegreeofdisturbancebyjovianplasiso(ej)(orderofmagnitudeoftheetricityofjupiter)，sihedisturbancecausedbyjovianplasisaforcedoscillationhavinganamplitudeofo(ej).heighteningofetricity，forexampleo(ej)～0.05，isfarfromsuffittoprovokeinstabilityierrestrialplashavingsuchawideseparationas26rh.thusweassumethatthepresentwidedynamicalseparationamongterrestrialplas(;26rh)isprobablyohemostsignifitditionsformaintainiabilityoftheplaarysystemovera109-yrtime-span.ourdetailedanalysisoftherelationshipbetweendynamicaldistaweenplasaabilitytime-scaleofsolarsystemplaarymotionisnowon-going.

    althoughournumeritegrationsspanthelifetimeofthesolarsystem，thenumberofiionsisfarfromsuffittofilltheinitialphasespace.itisnecessarytoperformmoreandmorenumeritegrationstofirmandexamineiailtheloabilityofourplaarydynamics.

    ——以上文段引自ito，t.tanikawa，k.long-termiionsandstabilityofplaaryorbitsinoursolarsystem.mon.not.r.astron.soc.336，483–500(2002)

    这只是作者君参考的一篇文章，关于太阳系的稳定性。

    还有其他论文，不过也都是英文的，相关课题的中文文献很少，那些论文下载一篇要九美元（《nature》真是暴利），作者君写这篇文章的时候已经回家，不在检测中心，所以没有数据库的使用权，下不起，就不贴上来了。