DNA: 3 pictures which shows, austerity, patience and learning of scientists

Approximately 21 million kilometers from the Earth have come from the planet Mars, in these pictures the austerity, patience and learning of scientists is also hidden. Scientists' interest in the planet Mars has never lost,the process of sending satellites to the planet Mars started in the 1960s. Two days ago a satellite from the US space agency NASA has successfully made a landing on the surface of Mars.