Radioactive Elements on Mercury’s Surface from MESSENGER: Implications for the Planet’s Formation and Evolution

Author:

Peplowski Patrick N.1,Evans Larry G.2,Hauck Steven A.3,McCoy Timothy J.4,Boynton William V.5,Gillis-Davis Jeffery J.6,Ebel Denton S.7,Goldsten John O.1,Hamara David K.5,Lawrence David J.1,McNutt Ralph L.1,Nittler Larry R.8,Solomon Sean C.8,Rhodes Edgar A.1,Sprague Ann L.5,Starr Richard D.9,Stockstill-Cahill Karen R.4

Affiliation:

1. The Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723, USA.

2. Computer Sciences Corporation, Lanham-Seabrook, MD 20706, USA.

3. Department of Geological Sciences, Case Western Reserve University, Cleveland, OH 44106, USA.

4. National Museum of Natural History, Smithsonian Institution, Washington, DC 20013, USA.

5. Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA.

6. Hawaii Institute of Geophysics and Planetology, University of Hawaii, Honolulu, HI 98622, USA.

7. Department of Earth and Planetary Science, American Museum of Natural History, New York, NY 10024, USA.

8. Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20015, USA.

9. Physics Department, The Catholic University of America, Washington, DC 20064, USA.

Abstract

Gamma-ray emission from the surface of Mercury indicates that the planet accreted from relatively volatile-enriched material.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference28 articles.

1. The MESSENGER Gamma-Ray and Neutron Spectrometer

2. The Evolution of Mercury’s Crust: A Global Perspective from MESSENGER

3. Flood Volcanism in the Northern High Latitudes of Mercury Revealed by MESSENGER

4. K. Lodders B. Fegley Jr. The Planetary Scientist’s Companion (Oxford Univ. Press New York 1998).

5. Bulk composition and early differentiation of Mars;Taylor G. J.;J. Geophys. Res.,2006

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