NOAA Paleoclimatology Program - Orbital Variations and Milankovitch Theory 

NOAA Paleoclimatology Program - Orbital Variations and Milankovitch Theory 

The theory is named for Serbian astronomer Milutin Milankovitch, who calculated the slow changes in the earth's orbit by careful measurements of the position of the stars, and through equations using the gravitational pull of other planets and stars.    繼續閱讀...