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Originally posted by Phage
reply to post by re22666
I guess I did misunderstand your reference to particle physics but you also seem to have misunderstood what I was looking for. I wanted to use a simulator to demonstrate the difference in trajectories on Earth and the Moon not a simulation of how dust particles interact. As to why I referred the the height of the arc: it was just part of my point that a ballistic curve on the moon would be different than the curve our eyes are trained to follow on Earth. Different enough that our eyes may be fooled by it.
Back to the video then. I see the dust (arc, cloud, particles) rising from the wheels, slowing at the top of arc, then speeding up as it descends back to the surface. As I said in my first post, I studied the video and I don't see anything but that. The transition between rising and falling is delayed which is accounted for by reduced gravity. I just don't see the dust slowing down after beginning its descent.
so....NASA went back to the horse and buggy with the space shuttle?
Originally posted by jackinthebox
reply to post by re22666
so....NASA went back to the horse and buggy with the space shuttle?
I was only trying to make an example, about technolgy trees. If you don't stay on the same branch, it will wither and die, even if the tree gets bigger overall.
Say we made the jump to "more advanced" electric cars instead of going back to horses. But suddenly in a half century we wanted to have a standard combustion NASCAR race. It would still take a lot of work to bring that technology back on line.
Originally posted by Phage
reply to post by re22666
I guess I did misunderstand your reference to particle physics but you also seem to have misunderstood what I was looking for. I wanted to use a simulator to demonstrate the difference in trajectories on Earth and the Moon not a simulation of how dust particles interact.
Originally posted by Phage
reply to post by re22666
I thought we were done. You see the dust slowing down after the apex of the arc and I see it continuing to accelerate downward until it flops to the surface. I tried to see what you describe but I don't.
Not much point in continuing the discussion if we are discussing different views of what shows in the video.
Originally posted by Phage
reply to post by re22666
Oh, all right. Try it this way. Just to see if you can get my point. I have no expection that I will convince you the landings weren't faked or even that your are wrong on this particular point.
I say the dust on the moon moves differently than we are conditioned to expect it to move because of the reduced gravity. The difference in what we expect to see and what we do see causes us to think there is something funny going on with the dust. When, in fact then dust is doing exactly what it should do in low gravity and the absence of air.
You see the dust slowing on its descent. That would indeed be impossible on the moon. I do not see it doing that.
Now I am done.
[edit on 23-8-2008 by Phage]
Originally posted by theability
reply to post by mapsurfer_
My question is if there was no gravity on the moon, how moon dust would "float" off into space?? how does moon dust just assume a acceleration out of no were? where did this vector of velocity and inertia become to the moon dust, from zero point? A entropy moon dust nowadays?
stuff in space just doesn't decide to float away now without something acting upon it.....
sheesh.....do any of you study or research things before you post?
All these claims that the Mythbusters don't know physics and chemistry and won't prove anything, yet in your posts it is very obvious that you haven't been educating yourselves up to speed to be anyones critic....
Learn before you decide to speak and state someone else if wrong....it might just be you that is in the wrong!!!!
but hey the moon is cheese right?
The only way we will proove or disprove this all, is to go to the MOON and have private funding for a mission that is not government controlled, other wise it is all guess work and theory.
Originally posted by theability
reply to post by mapsurfer_
My question is if there was no gravity on the moon, how moon dust would "float" off into space??
sheesh.....do any of you study or research things before you post?
All these claims that the Mythbusters don't know physics and chemistry and won't prove anything, yet in your posts it is very obvious that you haven't been educating yourselves up to speed to be anyones critic....
Learn before you decide to speak and state someone else if wrong....it might just be you that is in the wrong!!!!