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Magellan Paints a Portrait of Venus.
Peer reviewed Peer reviewed
Kerr, Richard A. – Science, 1991
Details of the landscape of the planet Venus as revealed by the Magellan spacecraft are discussed and illustrated. Advances beyond previous space probes are demonstrated. Details of the program are described. Additional work from this project is proposed. (CW)
Descriptors: Earth Science, Scientific Research, Space Exploration, Space Sciences
The Continental Plates are Getting Thicker.
Peer reviewed Peer reviewed
Kerr, Richard A. – Science, 1986
Reviews seismological studies that provide evidence of the existence of continental roots beneath the continents. Suggests, that through the collisions of plate tectonics, continents stabilized part of the mobile mantle rock beneath them to form deep roots. (ML)
Descriptors: Geology, Oceanography, Physical Environment, Physical Geography