D
David E. Smith
Researcher at Massachusetts Institute of Technology
Publications - 152
Citations - 11919
David E. Smith is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Impact crater & Orbiter. The author has an hindex of 57, co-authored 152 publications receiving 9702 citations. Previous affiliations of David E. Smith include Goddard Space Flight Center.
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Journal ArticleDOI
The Crust of the Moon as Seen by GRAIL
Mark A. Wieczorek,Gregory A. Neumann,Francis Nimmo,Walter S. Kiefer,G. Jeffrey Taylor,H. Jay Melosh,Roger J. Phillips,Sean C. Solomon,Sean C. Solomon,Jeffrey C. Andrews-Hanna,Sami W. Asmar,A. Konopliv,Frank G. Lemoine,David E. Smith,Michael M. Watkins,James G. Williams,Maria T. Zuber +16 more
TL;DR: In this article, high-resolution gravity data obtained from the dual Gravity Recovery and Interior Laboratory (GRAIL) spacecraft show that the bulk density of the Moon's highlands crust is 2550 kilograms per cubic meter, substantially lower than generally assumed.
Journal ArticleDOI
Dawn at Vesta: Testing the Protoplanetary Paradigm
Christopher T. Russell,Carol A. Raymond,Angioletta Coradini,Harry Y. McSween,Maria T. Zuber,Andreas Nathues,M. C. De Sanctis,Ralf Jaumann,Alex S. Konopliv,F. Preusker,Sami W. Asmar,Ryan S. Park,Robert Gaskell,H. U. Keller,Stefano Mottola,Thomas Roatsch,Jennifer E.C. Scully,David E. Smith,Pasquale Tricarico,Michael J. Toplis,Ulrich R. Christensen,William C. Feldman,David J. Lawrence,Timothy J. McCoy,Thomas H. Prettyman,Robert C. Reedy,M. E. Sykes,Timothy N. Titus +27 more
TL;DR: Dawn's results confirm predictions that Vesta differentiated and support its identification as the parent body of the HEDs, and present the mineralogical characterization of Vesta, revealing that this asteroid underwent a complex magmatic evolution that led to a differentiated crust and mantle.
The crust of the Moon as seen by GRAIL
Mark A. Wieczorek,Alexander S. Konopliv,Frank G. Lemoine,Erwan Mazarico,H. J. Melosh,Gregory A. Neumann,R. S. Park,Roger J. Phillips,David E. Smith,Sean C. Solomon,Maria T. Zuber +10 more
TL;DR: The Moon's gravity field shows that the lunar crust is less dense and more porous than was thought, and high-resolution gravity data obtained from the dual Gravity Recovery and Interior Laboratory (GRAIL) spacecraft show that the bulk density of the Moon's highlands crust is substantially lower than generally assumed.
Journal ArticleDOI
The Lunar Orbiter Laser Altimeter Investigation on the Lunar Reconnaissance Orbiter Mission
David E. Smith,Maria T. Zuber,Glenn B. Jackson,John F. Cavanaugh,Gregory A. Neumann,Haris Riris,Xiaoli Sun,Ronald S. Zellar,Craig Coltharp,Joseph A. Connelly,Richard B. Katz,Igor Kleyner,Peter Liiva,Adam Matuszeski,Erwan Mazarico,Jan F. McGarry,Anne Marie Novo-Gradac,Melanie N. Ott,Carlton Peters,Luis Ramos-Izquierdo,Lawrence Ramsey,David D. Rowlands,Stephen Schmidt,V. Stanley Scott,George B. Shaw,James C. Smith,Joseph Paul Swinski,Mark H. Torrence,Glenn Unger,Anthony W. Yu,Thomas W. Zagwodzki +30 more
TL;DR: The Lunar Orbiter Laser Altimeter (LOLA) as discussed by the authors is an instrument on the payload of NASA's Lunar Reconnaissance Orbiter spacecraft (LRO) which is designed to measure the shape of the Moon by measuring precisely the range from the spacecraft to the lunar surface.
Journal ArticleDOI
Gravity field of the Moon from the Gravity Recovery and Interior Laboratory (GRAIL) mission.
Maria T. Zuber,David E. Smith,Michael Watkins,Sami W. Asmar,Alexander S. Konopliv,Frank G. Lemoine,H. Jay Melosh,Gregory A. Neumann,Roger J. Phillips,Sean C. Solomon,Sean C. Solomon,Mark A. Wieczorek,James G. Williams,Sander Goossens,Gerhard Kruizinga,Erwan Mazarico,Ryan S. Park,Dah-Ning Yuan +17 more
TL;DR: The Moon's gravity field reveals that impacts have homogenized the density of the crust and fractured it extensively, and GRAIL elucidates the role of impact bombardment in homogenizing the distribution of shallow density anomalies on terrestrial planetary bodies.