The rotation speed Λ of the upper atmosphere,mainly at heights of 180-360 km,was evaluated from the changes in orbital inclinations of GFZ. The results indicate that the value of Λ(in rev/d) decreases from 1.2 at 360 km to 0.9 at 180 km.
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机译:最古老的elasmosaurs(sauropterygia,plesiosauria)来自南极洲,santa marta组(Upper Coniacian?santonian - Upper Campanian)和snow Hill Island Formation(Upper Campanian - Lower maastrichtian),James Ross Island