BBC地平线：宇宙火山

剧情简介：VolcanoeshavelonghelpedshapetheEarth.Butwhatislesswellknownisthattherearevolcanoesonotherplanetsandmoonsthatareevenmoreextraordinarythanthoseonourownhomeplanet.HorizonfollowsaninternationalteamofvolcanologistsinIcelandastheydrawfascinatingparallelsbetweenthevolcanoesonEarthandthoseelsewhereinthesolarsystem.Throughtheteam’sresearch,wediscoverthatthelargestvolcanointhesolarsystem-OlympusMonsonMars-hasbeenformedinasimilarwaytothoseofIceland,howasmallmoonofJupiter-Io-hasthemostviolenteruptionsanywhere,andthatamoonofSaturncalledEnceladuseruptsicygeysersfromahiddenocean.ComputergraphicscombinedwithoriginalNasamaterialrevealthespectacularsightsoftheseamazingvolcanoes.Alongtheway,welearnthatvolcanoesarenotjustadestructiveforcebuthavebeenessentialtotheformationofatmospheresandevenlife.Andthroughthesevolcanoesofthesolarsystem,scientistshavediscoveredfarmoreaboutourownplanet-whatitwaslikewhenEarthfirstformed,andevenwhatwillhappentoitinthefuture.