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How long would it take to travel to mars?

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How long would it take to travel to mars at a speed that humans could withstand?

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8 Responses to “How long would it take to travel to mars?”

  1. humphries755@btinternet.com says:

    a long time without my special curry??? it very very hot an i never found anyone who can eat more than a teaspoon full without burning up all they need then is wc rockets an theyde get there awful quick lol

  2. Melanie says:

    6 months on a Dy-100 class sleeper ship but time is not important because on a typical journey to mars an astronaut will be put into suspended animation

  3. Mark R says:

    6 months, at a close orbit, using current technology.
    If you had enough fuel, you could have constant acceleration/deceleration (accelerating for half the journey, decelerating for the second half) at 1G (9.8ms^-2), which would take about 2 days. But we can’t do that yet, as we have no appropriate fuel/technology to do so.

  4. Gothika says:

    Humans can withstand any velocity, but it’s the acceleration that could prove problematic.

    Anyway, since you wish to ignore acceleration (you only mentioned velocity), so 99.999999…% of light speed (you can’t go at light speed or faster)

    … um probably a few minutes.

  5. jimmy w says:

    why exactly cant you go at the speed of light????

  6. zahbudar says:

    Roughly 5 1/2 to 6 Months one way…

    Assume a ten day visit…

    Then the return flight would be another 5 1/2 to 6 Months.

    Please note that the flight is not a straight shot (as in line of sight…). Also, the flight will most likely be staged from the ISS and consist of multiple launches from Earth’s surface to get all the equipment up into orbit first. This has not been reported yet, and is only my guess.

  7. Richard R says:

    Gothika gave a great answer. Basically it depends on the level of your technology and the amount of fuel you wish to use. Fuel is expensive, and getting it into orbit makes it much more so. Its perfectly possible to get to mars within hours or days, but you would bankrupt the planet doing so. And again Gothika is correct: the limiting factor, other than economics, is acceleration. Its perfectly possible to launch stuff into orbit using a rail gun. One minor problem: any astronaut using such a method would be turned into a gelatinous goo by the acceleration. This is why NASA uses rockets instead of insanely large guns.

    And a quick observation: When I first came upon Gothika’s icon I figured whatever he had to say would be worthless. It was so strange looking. Then I read his answers and discovered he is completely on top of things. He’s obviously far more educated in this field than I am.

  8. Clover F says:

    ive heard anywhere from 5 1/2 months to 11 months

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