English Chronology of discoveries of water on Mars Cited by user Numberguy6 on 25 Sep 2024 To date, interplanetary spacecraft have provided abundant evidence of water on Mars, dating back to the Mariner 9 mission, which arrived at Mars in 1971.
German Mars (Planet) Cited by user WeltDerPhysik on 21 Aug 2024 Der Mars ist, von der Sonne aus gezählt, der vierte Planet im Sonnensystem und der äußere Nachbar der Erde.
English Water on Mars Cited by user 2003:100:3700:600:CC2A:88B9:31B0:662F on 13 Aug 2024 Almost all water on Mars today exists as polar permafrost ice, though it also exists in small quantities as vapor in the atmosphere.