ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] Since the beginning of the Tertiary, 65 million years ago, the Earth has experienced a long-term cooling trend. The reasons invoked to explain the trend are complex, involving changes in major ocean currents and continental topography, the amount of solar energy reflected by the Earth, ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/428031a
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