Milankovic-syklusene

I 1920 påviste den serbiske geofysikeren og astronomen Milutin Milanković at sykliske endringer i jordens plassering påvirker jordens klima. Det er tre hovedkomponenter, og de virker ved å endre mengde solstråling som når jordens overflate: helning på jordens rotasjonsakse (oblikvitet), hvordan jorden «skjelver» litt rundt denne aksen (presesjon) og formen på jordens bane (eksentrisitet).

Foto: NASA

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