Editing 2001 Mars Odyssey (section)

== Scientific instruments ==

The three primary instruments ''Odyssey'' uses are the:

* '''[[Thermal Emission Imaging System]]''' (THEMIS).<ref name="themis">{{cite journal | title=The Thermal Emission Imaging System (THEMIS) for the Mars 2001 Odyssey Mission | first1=P. R. | last1=Christensen | first2=B. M. | last2=Jakosky | first3=H. H. | last3=Kieffer | first4=M. C. | last4=Malin | first5=H. Y. | last5=McSween Jr. | first6=K. | last6=Nealson | first7=G. L. | last7=Mehall | first8=S. H. | last8=Silverman | first9=S. | last9=Ferry | first10=M. | last10=Caplinger | first11=M. | last11=Ravine | journal=Space Science Reviews | volume=110 | issue=1–2 | doi=10.1023/B:SPAC.0000021008.16305.94 | date=2004 | pages=85 | bibcode=2004SSRv..110...85C | s2cid=3629716 }}</ref> It is an onboard camera that provides visible and infrared imaging to characterize how minerals are distributed on the surface of Mars.<ref name="objective" />
* '''[[Gamma Ray Spectrometer (2001 Mars Odyssey)|Gamma Ray Spectrometer]]''' (GRS),<ref name="mogrsis">{{cite journal | title=The Mars Odyssey Gamma-Ray Spectrometer Instrument Suite | first1=W.V. | last1=Boynton | first2=W.C. | last2=Feldman | first3=I.G. | last3=Mitrofanov | first4=L.G. | last4=Evans | first5=R.C. | last5=Reedy | first6=S.W. | last6=Squyres | first7=R. | last7=Starr | first8=J.I. | last8=Trombka | first9=C. | last9=d'Uston | first10=J.R. | last10=Arnold | first11=P.A.J. | last11=Englert | first12=A.E. | last12=Metzger | first13=H. | last13=Wänke | first14=J. | last14=Brückner | first15=D.M. | last15=Drake | first16=C. | last16=Shinohara | first17=C. | last17=Fellows | first18=D.K. | last18=Hamara | first19=K. | last19=Harshman | first20=K. | last20=Kerry | first21=C. | last21=Turner | first22=M. | last22=Ward | first23=H. | last23=Barthe | first24=K.R. | last24=Fuller | first25=S.A. | last25=Storms | first26=G.W. | last26=Thornton | first27=J.L. | last27=Longmire | first28=M.L. | last28=Litvak | first29=A.K. | last29=Ton'chev | journal=Space Science Reviews | volume=110 | issue=1–2 | doi=10.1023/B:SPAC.0000021007.76126.15 | year=2004 | pages=37 | bibcode = 2004SSRv..110...37B | s2cid=121206223 }}</ref> including the '''High Energy Neutron Detector''' (HEND), provided by Russia. '''GRS''' is a collaboration between [[University of Arizona]]'s [[Lunar and Planetary Laboratory|Lunar and Planetary Lab.]], the [[Los Alamos National Laboratory]], and Russia's [[Space Research Institute]].<ref name="Profile Boynton">{{cite web |title=Profile: Dr. William Boynton |url=https://mars.nasa.gov/odyssey/mission/team/profileBoynton/ |website=2001 Mars Odyssey |date=December 4, 2017 |publisher=[[NASA]] |access-date=10 May 2021 |archive-url=https://web.archive.org/web/20210510205632/https://mars.nasa.gov/odyssey/mission/team/profileBoynton/ |archive-date=10 May 2021 |url-status=live}}</ref> It is a spectrometer focussed on the gamma-ray portion of the spectrum in order to search for various elements in the Martian atmosphere, including carbon, silicon, iron and magnesium.<ref name="objective" />
* '''[[Mars Radiation Environment Experiment]]''' (MARIE). An "energetic particle spectrometer", measuring the radiation levels around Mars.<ref name="objective" />