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Originally posted by Wizard_In_The_Woods
NASA says: “But to astronauts on the Moon or on Mars, static discharge could be real trouble.”
You say: “Because the Apollo astronauts didn't experience any static discharge,…”
On the Moon, "Apollo astronauts never reported being zapped by electrostatic discharges," notes Calle. "However, future lunar missions using large excavation equipment to move lots of dry dirt and dust could produce electrostatic fields. Because there's no atmosphere on the Moon, the fields could grow quite strong. Eventually, discharges could occur in vacuum."
Now who are we supposed to believe, you or NASA? If the astronauts hadn’t noticed any electrical charge build-up in 1969 why would NASA consider it a potential problem now
Originally posted by thedangler
um there are some pictures with the earth in the background my only problem with the pictures is that the earth is way to small in the phots.
Originally posted by thedangler
um there are some pictures with the earth in the background my only problem with the pictures is that the earth is way to small in the phots.
[edit on 13-12-2006 by thedangler]
Originally posted by jraGreat job on not quoting me completely. Did you read the rest of my post or just that line? I'll quote from the article again.
Did the Apollo astronauts use excavation equipment to move around lots of dirt and dust? No they did not.
If you can find any pics of Astronauts with the Earth in the backdrop I'd be very pleased to see them, no matter how small the Earth is in them.
Originally posted by Nemithesis
If you can find any pics of Astronauts with the Earth in the backdrop I'd be very pleased to see them, no matter how small the Earth is in them.
Here's one... www.answers.com...
Originally posted by Nemithesis
If you can find any pics of Astronauts with the Earth in the backdrop I'd be very pleased to see them, no matter how small the Earth is in them.
Here's one... www.answers.com...
Found by refining your Google search string...
images.google.com...
...and scrolling to the third result page.
Originally posted by Nemithesis
They didn't worry much about static discharges on the Apollo missions because they didn't really worry much about static electricity at all in the late 1960's early 1970's.
The electronic components at that time weren't very susceptible to damage from static electricity, and the ones that were were heavily shielded in lead cases on any space destined vehicles.
I don't have anything to back this up aside from my experience working on old TV's and radios from that time. The thought of wearing a static wrist strap never crossed my mind back then.
Originally posted by Wizard_In_The_Woods
Dear Nemithesis:
NASA on 10-Aug-2005: “a space suit or rover can build up tremendous triboelectric charge, whose magnitude is yet unknown.”
My question here is, how can the magnitude of the “triboelectric” charge buildup be still unknown if we’ve already been to the moon with astronauts and a giant rover (sized only a step-down from a “Hemi”). That flatly doesn’t make any sense. To send equipment and men to the moon — and then worry about possible problems nearly forty years later. That’s absurd. If electronics were more shock proof back in the sixties, NASA would have made that the issue. In no case could they — after already having been there — claim the electrostatic-generating conditions on the Moon as indeterminable.
Originally posted by WatchNLearn
But to make a lasting clear boot print, the soils MUST contain some moisture. In fact, have a look at this so called boot print on the moon –it looks like dry cement or coloured talcum powder!
For me, the boot prints are FAKE.
Because the soil is insulating, providing no path to ground, a space suit or rover can build up tremendous triboelectric charge, whose magnitude is yet unknown.
Originally posted by WatchNLearn
If the moon soil is dryer than a desert, then there is no way you could leave a boot print.
Originally posted by NemithesisI understand the point, or error rather, that you are trying to make, but to directly answer your question (that doesn't have a question mark): The triboelectric charge was not measured in the Apollo days because there was no reason to measure it.
Originally posted by Wizard_In_The_Woods
Dear Nemithesis:
O.k. — if back in the Apollo days the triboelectric charge was not measured because as you say “there was no reason to measure it” — then why not “play it safe” and go back to the moon with the exact same shock and static proof equipment used back then?