The question of life on Mars at some time in the Nature of the soil chemistry prevent the formation of living organisms Saturates the surface, the extreme dryness of the soil and the oxidizing According to missionīiologists, Mars is self-sterilizing. Microorganisms in the soil near the landing sites. Soil, but provided no clear evidence for the presence of living The three biology experiments aboard the landersĭiscovered unexpected and enigmatic chemical activity in the Martian Many craters and naturally occurring channels but no evidence ofĪrtificial canals or flowing water.

All that was revealed was a surface containing In July of 1965, Mariner 4, transmitted 22Ĭlose-up pictures of Mars. Vegetation during the warmer months and cause plant life to become Led to speculation that conditions might support a bloom of Martian Wells,Įnough people believed in the tale of invading Martians to cause a nearĪnother reason for scientists to expect life on Mars had to do with theĪpparent seasonal color changes on the planet's surface. The science fiction classic War of the Worlds by H.G. In 1938, when Orson Welles broadcasted a radio drama based on Irrigation canals on the planet had been constructed by intelligentīeings. The planet Her Descher meaning the red one.īefore space exploration, Mars was considered the best candidate for OtherĬivilizations have had similar names. Was given its name by the Romans in honor of their god of war. Theĭistinct red color was observed by stargazers throughout history. The rocks, soil and sky have a red or pink hue.

Mars is the fourth planet from the Sun and is commonly referred to as

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