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Landing On Mars

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springbulb81 | 14:21 Wed 12th Dec 2012 | Science
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Why have they not yet commissioned a manned flight and landing on Mars? They clearly have the technology and know how to do it? Also due to the atmosphere and composition Jupiter, could you physically land on it ignoring how far away it is?
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Avatar Image beso
Once you get away from Martian gravity there is no fuel actually required to get back to Earth per se as the craft can fall toward the Sun.

A lot of fuel would be required to slow down from the fall though.
13:47 Sun 16th Dec 2012
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Beso, Assuming the space craft has the same mass as when it left the Earth's orbit around the sun, it will need as much energy to return from mars as it took to get there. That is why the planets don't all fall into the sun.
21:37 Mon 17th Dec 2012

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