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How will SpaceX take humans to Mars? how will land on mars? How man will be back from the Mars?.....

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 How will SpaceX take humans to Mars? How will land on Mars?How man will be  back from the Mars?........ Lets explain .... WHY MARS? At an average distance of 140 million miles, Mars is one of Earth's closest habitable neighbors. Mars is about half again as far from the Sun as Earth is, so it still has decent sunlight. It is a little cold, but we can warm it up. Its atmosphere is primarily CO2 with some nitrogen and argon and a few other trace elements, which means that we can grow plants on Mars just by compressing the atmosphere. Gravity on Mars is about 38% of that of Earth, so you would be able to lift heavy things and bound around. Furthermore, the day is remarkably close to that of Earth. Diameter 6,791 km  / 4,220 mi Day Length 24 hrs 37 min Force of Gravity 38% of Earth Avg Distance from Earth 225Mkm  / 140Mmi Age 4.5 billion year starship  why we using starship The starship will the words most powerfull lounch vehicle ever developed, with the ability to carry in excess of