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Author Topic: The return of moondust to the surface?  (Read 2136 times)

Offline doppler1

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The return of moondust to the surface?
« on: 15/01/2010 12:59:39 »
I am not a conspiracy theorist at all and have watched many film clips regarding the moon landing and stuff. One thing has struck me as odd though, if you watch a film clip of the moon buggy moving around, the wheels have enough torque, traction and speed to throw dirt up into the air as it propells the buggy forward but, for such a reduced gravitational force, the dirt sprayed up behind the buggy seems to return to the surface very quickly indeed. Has anyone else noticed this or does anyone have an explanation for me?


 

Offline Geezer

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The return of moondust to the surface?
« Reply #1 on: 15/01/2010 17:04:52 »
On Earth we are used to seeing dust hang in the air. The small particles of dust are being attracted towards the earth by gravity, but the air molecules provide a lot of resistance to the particles, so they take a long time to settle on the Earth. They may even be carried off in the wind for great distances.

The Moon has no atmosphere. There are no air molecules, so even though Moon gravity is much less than Earth gravity, everything, even tiny specs of dust, accelerate towards the Moon's surface equally.

« Last Edit: 15/01/2010 21:58:42 by Geezer »
 

Offline yor_on

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The return of moondust to the surface?
« Reply #2 on: 16/01/2010 13:54:37 »
nice explanation Geezer
 

Offline doppler1

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The return of moondust to the surface?
« Reply #3 on: 18/01/2010 12:37:25 »
Thanks Geezer. Makes perfect sense now.
 

Offline syhprum

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The return of moondust to the surface?
« Reply #4 on: 18/01/2010 13:48:59 »
Of course the more likely explanation is that the in the studio where the pictures were faked the gravity was 6 times what it would have been on the moon
 

Offline guissepe

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The return of moondust to the surface?
« Reply #5 on: 19/01/2010 15:16:01 »
As far as we are talking about dust is Geezer right.
I havent watched the movie, but maybe the surface was soft and the wheels were put deep in dirt so the dirt was sprayed more above than beyond the wheels. In sucha case the dirt didnt do that much balistic movement that we are used to on earth and was just fallen above and than sudenly droped.
 

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The return of moondust to the surface?
« Reply #5 on: 19/01/2010 15:16:01 »

 

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