Summary: New Perspectives on Ancient Mars
Sean C. Solomon,1
* Oded Aharonson,2
Jonathan M. Aurnou,3
W. Bruce Banerdt,4
Michael H. Carr,5
Andrew J. Dombard,6
Herbert V. Frey,7
Matthew P. Golombek,4
Steven A. Hauck II,8
James W. Head III,9
Bruce M. Jakosky,10
Catherine L. Johnson,11
Patrick J. McGovern,12
Gregory A. Neumann,13
Roger J. Phillips,6
David E. Smith,7
Maria T. Zuber13
Mars was most active during its first billion years. The core, mantle, and crust formed
within È50 million years of solar system formation. A magnetic dynamo in a con-

Source: Aurnou, Jonathan - Department of Earth and Space Sciences, University of California at Los Angeles
Hauck II, Steven A. - Department of Geological Sciences, Case Western Reserve University
Head III, James William - Department of Geological Sciences, Brown University
Johnson, Catherine Louise - Department of Earth and Ocean Sciences, University of British Columbia
Zuber, Maria - Kavli Institute for Astrophysics and Space Research & Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology (MIT)

Collections: Geosciences; Physics