Editing Magnetometer (section)

===Spacecraft===
{{Main|Spacecraft magnetometer}}
A three-axis fluxgate magnetometer was part of the ''[[Mariner 2]]'' and ''[[Mariner 10]]'' missions.<ref name="Coleman et al.">{{cite journal |author1=Coleman Jr., P.J. |author2=Davis Jr., L. |author3=Smith, E.J. |author4=Sonett, C.P. |date=1962 |title=The Mission of Mariner II: Preliminary Observations&nbsp;– Interplanetary Magnetic Fields |journal=[[Science (journal)|Science]] |volume=138 |issue=3545 |pages=1099–1100 |jstor=1709490|bibcode=1962Sci...138.1099C |doi=10.1126/science.138.3545.1099 |pmid=17772967|s2cid=19708490 }}</ref> A dual technique magnetometer is part of the ''[[Cassini–Huygens]]'' mission to explore Saturn.<ref>{{cite web |url=http://saturn.jpl.nasa.gov/spacecraft/cassiniorbiterinstruments/instrumentscassinimag/ |title=Cassini Orbiter Instruments&nbsp;– MAG |publisher=[[Jet Propulsion Laboratory|JPL]]/[[NASA]] |url-status=dead |archive-url=https://web.archive.org/web/20140408045815/http://saturn.jpl.nasa.gov/spacecraft/cassiniorbiterinstruments/instrumentscassinimag/ |archive-date=8 April 2014 }}</ref> This system is composed of a vector helium and fluxgate magnetometers.<ref>{{cite journal |author1=Dougherty M.K. |author2=Kellock S. |author3=Southwood D.J. |display-authors=etal |date=2004 |title=The Cassini magnetic field investigation |journal=[[Space Science Reviews]] |volume=114 |issue=1–4 |pages=331–383 |doi=10.1007/s11214-004-1432-2 |bibcode=2004SSRv..114..331D |s2cid=3035894 |url=http://lasp.colorado.edu/~horanyi/graduate_seminar/Magnetometer.pdf |access-date=1 November 2017 |archive-date=10 August 2017 |archive-url=https://web.archive.org/web/20170810142403/http://lasp.colorado.edu/~horanyi/graduate_seminar/Magnetometer.pdf |url-status=dead }}</ref> Magnetometers were also a component instrument on the Mercury ''[[MESSENGER]]'' mission. A magnetometer can also be used by satellites like [[Geostationary Operational Environmental Satellite|GOES]] to measure both the [[magnitude (mathematics)|magnitude]] and [[Direction (geometry, geography)|direction]] of the magnetic field of a planet or moon.