VolcanoeshavelonghelpedshapetheEarth.Butwhatislesswellknownisthattherearevolcanoesonotherplanetsandmoonsthatareevenmoreextraordinarythanthoseonourownhomeplanet. HorizonfollowsaninternationalteamofvolcanologistsinIcelandastheydrawfascinatingparallelsbetweenthevolcanoesonEarthandthoseelsewhereinthesolarsystem.Throughthe..eee