mars,the red planet
NASA the U.S.space agency announced that humans first trip to mars will take place within the next twenty years.Someday people may live on Mars called the red planet for its color from space.But before all this happens.many questions have to be answered.The most frequently asked question is,Is important because almost everywhere there is water on earth,there is life.To discover the possibilities of life on Mars-past ,present,or our own in the future-the mars program developed an exploration strategy known as "follow the water"
Some scientists believe that mars once had a vast ocean in its northern hemisphere.How did mars change into the dry and dusty planet it is today? Scientists pan to explore Mars's dry riverbeds and polar areas in search of the answer