Cross-section of the Earth (left) and the exoplanet Kepler-138 d (right). Like the Earth, this exoplanet has an interior composed of metals and rocks (brown portion), but Kepler-138 d also has a thick ...
Earth cross section showing the classic distinction between crust, mantle and core. But new research shows Earth's structure is far more complicated and may change over time. Analyzing an unusual ...
Cross-sections of Earth's mantle down to 1,400 km depth showing changes in its flow as ancient ocean beds fall into Earth's deep interior. Disclaimer: AAAS and EurekAlert! are not responsible for the ...
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