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The Effect of Milankovitch Variations in Insolation on Equatorial Seasonality
(American Meteorological Society, 2010)
Although the sun crosses the equator 2 times per year at the equinoxes, at times in the past the equatorial insolation has had only one maximum and one minimum throughout the seasonal cycle because of Milankovitch orbital ...
Dynamics of a Snowball Earth Ocean
(Nature Publishing Group, 2013)
Geological evidence suggests that marine ice extended to the Equator at least twice during the Neoproterozoic era (about 750 to 635 million years ago), inspiring the Snowball Earth hypothesis that the Earth was globally ...