FILE - This 2006 file photo released by the European Space Agency, ESA, shows a photo shot by European space ship 'Mars Express' of a gigantic glacial valley on planet Mars. The European Space Agency plans to remotely update the software on its Mars Express probe to ensure the aging spacecraft remains stable. The probe arrived at Mars in late 2003 for a two-year mission, but almost 15 years later it’s still operating. ESA said Wednesday April 11, 2018 that four of Mars Express’ six gyroscopes _ used to measure the probe’s rotation _ are failing, ending the mission’s in 2019. ( ESA/DLR via AP)
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