how many days to man on mars? *duw* - Mustang Evolution

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Old 01-05-2004, 08:01 PM   #1
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how many days to man on mars? *duw*

http://home.comcast.net/~chris.brown.99/mars.jpg

i say 1054 days. random, but it ends up at about 2010-2011.
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Old 01-05-2004, 08:06 PM   #2
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holy huge
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Old 01-05-2004, 08:22 PM   #3
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so crazy...
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Old 01-05-2004, 09:10 PM   #4
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I just hope they do it in my life time
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Old 01-05-2004, 09:17 PM   #5
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Takes forever to get there.
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Old 01-06-2004, 02:23 AM   #6
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itll be many years but id say 40. its gonna take at least another 10 to finish the space station now. and then all the nations will want to come together again to make the mars mission, and that will take a long time. we need to make better space shuttle before we can even think about going on a 2 year round trip visit to mars. the space shuttle could never hold up to that. they need something bigger than that with its own gravity so the astronauts bones dont become toothpicks.
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Old 01-06-2004, 11:12 AM   #7
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the time will come... i vote for warp passage things. Itd be so sweet to just drive into a glowing ball and be 25 hours from home lol
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Old 01-06-2004, 11:26 AM   #8
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actually it does not take long if you want to get straight there without all the scientific stuff they do. We have the ability to project a object to 40 miles a second using a electromagnetic rail gun. all you would have to do is build a launch facility in space or the moon and fire away. the problem is in the earth atmosphere if you were to project a human to 40 MPS you would die instantly from gravity compression. But in space no gravity no G force. Hell for all that matters. you dont even need a spacecraft just have plenty of oxygen in a back pack, some space food, water and a the ability to dispose of your waste and just project people there. Oh mount a retro rocket on your helmet to slow you down so you dont become a meteor no the surface of Mars
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Old 01-06-2004, 11:32 AM   #9
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doesnt mars have an atmosphere?? you couldnt just go floatin through that in a spacesuit lol
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Old 01-06-2004, 11:34 AM   #10
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it has a atmosphere but is has one third less gravity than ours. So everyone could be a basket ball superstar
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Old 01-06-2004, 11:40 AM   #11
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The "air" on Mars is 95% carbon dioxide, 3% nitrogen and then small amounts of argon, oxygen and water making up the remaining 2%. In comparison, Earth's atmosphere, which is a mixture of 78% nitrogen and 21% oxygen plus small amounts of other gases.

If other words... yopu couldn't breathe it if you wanted to.
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Old 01-06-2004, 11:45 AM   #12
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But trees would flourish and creat Oxygen and support life. It is our best hope for colonization relatively close to us. Just need to find that damn water!!!!
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Old 01-06-2004, 11:55 AM   #13
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Quote:
Originally Posted by Danger Dude
But trees would flourish and creat Oxygen and support life. It is our best hope for colonization relatively close to us. Just need to find that damn water!!!!
Trees would die due to temputure and lack of water.

Moss, and algea type plants need little water, and would accomplish the same task.
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Old 01-06-2004, 12:08 PM   #14
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That is why I said we need to find that water all the scientist are looking for.

Hey Evin have some Imagination DAMMITT
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Old 01-06-2004, 01:24 PM   #15
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But in space no gravity no G force.
You better go back and rethink that. G force has no bearing on whether you are in a gravity field or not. It is simply a measurement of force referenced to Earth's gravity. 1G is the same force you feel standing on Earth. 10 G's is 10x the force you feel on Earth.

You most assuredly do feel G force in space. In fact if we could build a spaceship that could continuously generate a thrust of 1G you would have gravity, in essence. Problem is that we would have a huge spaceship that was 99% gas tank.

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Holy crap he's right.
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Old 01-06-2004, 01:30 PM   #16
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Well if you are in a space ship going 3000 miles an hour you float and will not feel the 3000 miles an hour. as soon as you break out of the earths atmosphere you no long are pinned to the chair you will float. Forces reacting on the spacecraft do not effect the occupants in space
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Old 01-06-2004, 02:52 PM   #17
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Screw mars, let's go to the sun!
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Old 01-06-2004, 03:04 PM   #18
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hell yeah... sun here we come
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Old 01-06-2004, 03:14 PM   #19
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Old 01-06-2004, 03:22 PM   #20
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There comes a point if the G-Force Scale, that Earth's Gravitational Force would not become a factor in space travel. I beleive that this force is negligable somewhere around 500 Miles up in the Thermosphere and Lonoshpere. If ideal and perfect equasions, All Gravitational forces are taken into account, including the gravity feild from the Center of the universe to it's farthest reaches. BUT... For all puproses sake, once you get far enough away from Earth, it's gravitational forces become overpowered by another mass in space (ie, moon or another planet). In reality, you'll enter Mars' Gravitational pull shortly after you leave the gravity well of the moon.
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Old 01-06-2004, 04:44 PM   #21
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Quote:
Originally Posted by Danger Dude
Well if you are in a space ship going 3000 miles an hour you float and will not feel the 3000 miles an hour. as soon as you break out of the earths atmosphere you no long are pinned to the chair you will float. Forces reacting on the spacecraft do not effect the occupants in space
If you are coasting at 3000 mph then no you won't feel any G forces. However, if you are accelerating you most assuredly will. How much you feel depends on what force you are thrusting along at. 1G of thrust and you will feel "normal", 1/2G and you will feel like gravity was 1/2 it's "normal" value. Any change in velocity or acceleration will be felt by the occupants of any craft in space. It is only when there is no change in velocity or acceleration that you "float" in space.

Don't mistake gravity for what you'd feel in space thrusting along at 1G. Though you might feel like you have gravity what you really have is the floor of the ship pushing at your feet at the rate of 32 feet per second per second, which is what gravity pulls your body at here on Earth.

Most space craft expend thier propellant accelerating up to cruising speed then they coast for most of the journey. How they slow down depends on the target. Mars has an atmosphere so a craft can use it to do most of the slowing down, though some propellant has to be used to slow the craft enough so that it can go into orbit and not slingshot past Mars. The moon has no atmosphere so you can only use propellant to slow the craft. The more propellant you need the bigger the tank has to be and the less room for a pay load. That's why space craft don't thrust along at a continuous 1G and that's why you float in space. If we could thrust along at 1G the whole trip you wouldn't float and you'd have what would amount to normal gravity (though it really isn't gravity) in the craft.

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Old 01-06-2004, 05:00 PM   #22
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Wait wait wait... Are we discussing Atmosphere or gravity here? :
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Old 01-06-2004, 05:15 PM   #23
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Like I said there is no gravitational forces to pin you down only the increased speed of the spaceship trying to pass you. once you are against a object in that spacechip as the increase in speed your body is not subjected to compression
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Old 01-06-2004, 05:19 PM   #24
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Quote:
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Like I said there is no gravitational forces to pin you down only the increased speed of the spaceship trying to pass you. once you are against a object in that spacechip as the increase in speed your body is not subjected to compression
Correct. Unless, of course, the ship has some kind of gravitational characteristics itself (Artifical Gravity).
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Old 01-06-2004, 05:27 PM   #25
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I am a areospace engineer after all
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