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Published in 2013
What did Earth's continents and oceans look like 250 million years ago, or even 1 billion years ago? What do we know about the climate back when our planet formed? EarthViewer is like a time machine for exploring Earth's deep history. Based on the latest scientific research, it lets you scroll...
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Sunlight that warms Earth is re-emitted as infrared radiation, which is absorbed by greenhouse gases and causes further warming.
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3
The breakup of a supercontinent into several smaller continents explains the distribution of fossil and geologic evidence.
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4
Has Earth changed over deep time? How did Earth shape life and life shape Earth? What does Earth's climate in the distant past tell us about the future? Andrew H. Knoll of Harvard University, Naomi Oreskes of the University of California, San Diego, and Daniel P. Schrag of Harvard University guide...
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5
Reconstructing past continental plate movements reveals the island of Spitsbergen was tropical 500 million years ago.
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6
An early model of continental drift proposed that parts of continental plates can sink into the mantle, allowing for movement.
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7
Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.
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