New and Original Theories of the Great Physical ForcesChapter VIReading editionChapter navigation41 reading sectionsGo to chapterChoose a chapter…CONTRIBUTIONSSOLAR AND TERRESTRIAL PHYSICS.THEORIESGREAT PHYSICAL FORCES.PREFACE.Chapter IChapter IIChapter IIIChapter IVChapter VChapter VIChapter VIIChapter VIIIChapter IXChapter XChapter XIChapter XIIChapter XIIIChapter XIVChapter XVILLUSTRATIONS.Chapter IChapter IIChapter IIIChapter IVChapter VThe Earth's part in the Process.The Sun's part in the Process.Chapter VIChapter VIIChapter VIIIChapter IXChapter XChapter XIChapter XIIChapter XIIIChapter XIVChapter XVAPPENDIX.ADDENDUM.Transcriber's NotesPrevious chapter ←Chapter VNext chapter →Chapter VIIAll chapters and sections (41)Other sectionsCONTRIBUTIONSSOLAR AND TERRESTRIAL PHYSICS.THEORIESGREAT PHYSICAL FORCES.PREFACE.Chapters123456789101112131415Other sectionsILLUSTRATIONS.Chapters12345Other sectionsThe Earth's part in the Process.The Sun's part in the Process.Chapters6789101112131415Other sectionsAPPENDIX.ADDENDUM.Transcriber's NotesCHAPTER VI.The Seasons 47◇Why their varying temperature?—A new philosophy.◇← CHAPTER V.CHAPTER VII. →