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Mars Express
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=== Power === Spacecraft power is provided by the solar panels which contain 11.42 square meters of silicon cells. The originally planned power was to be 660{{nbsp}}[[Watt|W]] at 1.5{{nbsp}}[[astronomical unit|AU]] but a faulty connection has reduced the amount of power available by 30%, to about 460{{nbsp}}W. This loss of power does not significantly affect the science return of the mission. Power is stored in three [[lithium ion battery|lithium-ion batteries]] with a total capacity of 64.8{{nbsp}}Ah for use during eclipses. The power is fully regulated at 28{{nbsp}}[[Volt|V]], and the [[Terma A/S|Terma]] power module (also used in ''[[Rosetta (spacecraft)|Rosetta]]'') is redundant.<ref>{{cite news |url=http://ing.dk/artikel/terma-elektronik-vaekker-rumsonde-fra-aarelang-dvale-165600 |title=Terma-elektronik vækker rumsonde fra årelang dvale|newspaper=[[Ingeniøren]] |first=Mie |last=Stage |date=January 19, 2014 |access-date=March 29, 2016 }}</ref><ref>{{Cite journal |title=Power Conditioning Unit for Rosetta/Mars Express |journal = Space Power |volume=502 |page=249 |publisher=[[Astrophysics Data System]] |last1=Jensen |first1=H. |last2=Laursen |first2=J. |bibcode=2002ESASP.502..249J |date=2002 }}</ref> During routine phase, the spacecraft's power consumption is in the range of 450–550{{nbsp}}W.<ref>{{cite web |url=http://www.asi-proc.it/missions/mex |title=MEX — ASI-PROC|publisher=Planetary Radar Operational Center |date=March 29, 2016 |access-date=March 29, 2016 |archive-url=https://web.archive.org/web/20160413141724/http://www.asi-proc.it/missions/mex |archive-date=April 13, 2016 }}</ref>
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