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originally posted by: MerkabaMeditation
originally posted by: choos
a reply to: FoosM
does the moon have a thick enough atmosphere to cause dust particles to linger or billow??
you like to avoid answering questions.. almost like you dont know the answer or you choose to ignore the answer because its against your beliefs..
We have not avoided these questions, but rather we have proved you wrong with NASA's own video; in the video below you can see that the moon dust does not conform to you theories and goes everywhere like one would expect, thusly there should have been moon dust on the landers feet too.
-MM
originally posted by: choos
so now you want to claim that every single physicist/scientists around the world saw nothing wrong with the lift off knowing full well that it was supposed to have occurred in a near vacuum?
originally posted by: choos
do you know what an atmosphere does to dust particles??
originally posted by: choos
importantly please explain why NASA would show the world multiple close up high definition images of the footpads without layers of dust in them??
originally posted by: choos
also do you believe you are smarter than every single scientist and physicist around the world??
originally posted by: MerkabaMeditation
Get over yourself; you my friend is not the spokesperson for "every scientist in the world", and the idea of anyone proposing to know what every other scientist in the entire world do or do not know is preposterous beyond belief.
Unlike most of the posters (perhaps even you) here on ATS I've actually done some investigative math’s related to moon dust dynamics after your initial claim of "parabolic trajectories"; and to my surprise my formulas showed that positively charged microscopic dust particles (i.e. "moon dust") in a near vacuum acts more like a fluid than solid particles when kicked up, and I had to use fluid dynamics to get the results that my formulas was projecting. In addition, there should be quite dramatic & visible electrical discharges when positively charged microdust was kicked up in an vacuum environment void from any moisture - if this is correct then one must ask why electrical discharges are not visible in any footage from the moon missions.
and to my surprise my formulas showed that positively charged microscopic dust particles (i.e. "moon dust") in a near vacuum acts more like a fluid than solid particles when kicked up, and I had to use fluid dynamics to get the results that my formulas was projecting.
Part of their EVA was to take photos of the Lunar Module after landing to ensure that there were no damage etc.
You tell me since you claim to know every scientist in the world.
originally posted by: MerkabaMeditation
originally posted by: choos
a reply to: FoosM
does the moon have a thick enough atmosphere to cause dust particles to linger or billow??
you like to avoid answering questions.. almost like you dont know the answer or you choose to ignore the answer because its against your beliefs..
We have not avoided these questions, but rather we have proved you wrong with NASA's own video; in the video below you can see that the moon dust does not conform to you theories and goes everywhere like one would expect, thusly there should have been moon dust on the landers feet too.
-MM
originally posted by: choos
a reply to: FoosM
and in your infinite wisdom you cant work out why NASA would screw up so badly..
why would NASA make the mistake of taking several close up high definition images of the footpads without dust as you claim and publish it to the public??
originally posted by: Zaphod58
a reply to: FoosM
Because unlike Apollo 11, the other missions shut the engine down just before landing.
originally posted by: Zaphod58
a reply to: MerkabaMeditation
The engine was at 0% thrust at touch down for every mission after 11.
And thrust rating is not the same as thrust. The bell on the landing engine was wide which means the actual thrust was low because the exhaust expanded as it exited the bell.
Descent Propulsion System -- Maximum rated thrust of the
descent engine is 9,870 pounds (4,380.9 kg) and is throttleable
between 1,050 pounds (476.7 kg) and 6,300 pounds (2,860.2 kg).
originally posted by: Zaphod58
a reply to: MerkabaMeditation
No it doesn't. Read the transcripts. They clearly state "engine off" prior to touch down. The astronauts shut the engine down completely prior to landing. There was no thrust to kick up dust as they landed.
And you really need to learn how the exhaust nozzle affects thrust.
04 14 31 52 LMP 80 feet - 80 feet, coming down at 4; you're looking
good. 70 feet. Looking real good. 63 feet,
60, coming down at 3. 50 feet, coming down. Watch
for the dust.
04 14 32 07 CDR 46, 42 feet, coming down at 3.
04 14 32 08 LMP Yes.
04 14 32 11 CC Low level.
04 14 32 12 LMP Coming down at 2, okay. Start the clock. 42 feet,
coming down at 2. 40, coming down at 2. Looking
good; watch the dust. 31, 32, 30 feet, coming down
at 2, Pete; you've got plenty of gas, plenty of
gas, babe. Stay in there.
04 14 32 27 LMP 18 feet, coming down at 2. You've got it made.
Come on in there. 24 feet.
04 14 32 33 LMP CONTACT LIGHT. (This means they had landed)
04 14 32 34 LMP It's on.
04 14 32 36 CC Roger.
04 14 32 37 LMP PRO.
04 14 32 38 CDR Yes_ PRO.
04 14 32 40 LMP ENGINE ARM, OFF. Okay. (This means they turned off the rocket engine)
originally posted by: Zaphod58
a reply to: MerkabaMeditation
The contact light was lit when the landing probe touched the surface and was when the engine was shut off. Not when they landed.
It blew some dust but not as much as 11 did. Apollo 11 didn't shut down until the pads were on the ground.
originally posted by: Zaphod58
a reply to: MerkabaMeditation
And it's not nearly as much as 11, which didn't shut down until they were heavy on the pads.. You can repeat it but that doesn't change that the contact light was not when landing was complete.
originally posted by: Zaphod58
a reply to: MerkabaMeditation
The engine was on when the landing probe touched the surface, which is what I said from the start. The contact probes extended below the pads. Once they touched the crew cut thrust, and once on the surface they safed the engine.