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First Signs Of Mars
The first spacecraft that was sent to explore Mars was the Soviet Union’s Mars 1, back in 1962. Only two years later, in 1964, the Americans sent out Mariner 4, which later provided the world with the first pictures of the Red Planet.
Better Start Now
Mars’ atmosphere is made up of 96% carbon dioxide with less than 0.2% oxygen. Currently, scientists are testing microbes so that when humans eventually do show up, the microbes will have already converted and created oxygen on the planet.
