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SayonaraJupiter
reply to post by Rob48
SJ, thanks for your comments on the reflection issue. Nice to have somebody acknowledge an explanation and all too rare in this thread.
I re-watched that segment like a dozen times. It is a tricky segment. It takes some concentration to figure out exactly what is going on there. There is a command module manoeuvre which changes the whole perspective, and the window pane, as you pointed out, is actually there, reflecting Dick Gordon inside the command module, in lunar orbit.
However, 2 of the 5 windows on the Apollo 12 command module were fouled. So, is it possible for us to establish what window Dick Gordon was using to film the 16mm segments?
Here is a side question: Does NASA serve these videos on .gov servers or do we have to rely on youtube videos from here on out?
cestrup
reply to post by Rob48
Here's where some of the issue stems IMO. Let's pretend it was all done in a studio and nobody went through the belt. Then the data you provided would be fluffery. So, until an independent source sends a man into the belt, the jury is out. And I'm not trying to offend your responses, because they're great. I'm merely stating that we need some other verifiable sources.edit on 27-3-2014 by cestrup because: (no reason given)
The proton belts contain protons with kinetic energies ranging from about 100 keV (which can penetrate 0.6 µm of lead) to over 400 MeV (which can penetrate 143 mm of lead)
A dose of under 100 rad will typically produce no immediate symptoms other than blood changes. 100 to 200 rad delivered in less than a day will cause acute radiation syndrome, (ARS) but is usually not fatal. Doses of 200 to 1,000 rad delivered in a few hours will cause serious illness with poor outlook at the upper end of the range. Doses of more than 1,000 rad are almost invariably fatal.
choos
FoosM
Keep digging and you will find enough info pointing to the fact that it was impossible for any human to go through the belts with Apollo space craft. They weren't designed for radiation. No protection on the windows, thin walls, etc.
thin walls?? after a quick search
lotusfoot
First of all, has anyone noticed what a perfect studio landing ? Has anyone noticed who was filming the take off ? Has anyone noticed that NASA officially stated that they lost the original video ? The video was faked because NASA said it was a recreation. Anyone who thinks they took that POS contraption to the moon will believe anything they are told. I like the way some of the ATSrs are so confident that we really went even with a fake video That they ADMITTED WAS FAKED..edit on 28-3-2014 by lotusfoot because: (no reason given)edit on 28-3-2014 by lotusfoot because: (no reason given)
FoosM
cestrup
reply to post by Rob48
Here's where some of the issue stems IMO. Let's pretend it was all done in a studio and nobody went through the belt. Then the data you provided would be fluffery. So, until an independent source sends a man into the belt, the jury is out. And I'm not trying to offend your responses, because they're great. I'm merely stating that we need some other verifiable sources.edit on 27-3-2014 by cestrup because: (no reason given)
The whole radiation thing is very complicated because its difficult to get straight answers.
And that raises red flags. But this is what we are looking at:
The proton belts contain protons with kinetic energies ranging from about 100 keV (which can penetrate 0.6 µm of lead) to over 400 MeV (which can penetrate 143 mm of lead)
en.wikipedia.org...
There was no lead shielding for the Apollo or Mercury craft. And lead shielding is what everyone had issues
with because of the weight involved. Apollo's and Mercury's shielding were very similar. And I think Mercury's was even better.
So what can hurt and kill you:
A dose of under 100 rad will typically produce no immediate symptoms other than blood changes. 100 to 200 rad delivered in less than a day will cause acute radiation syndrome, (ARS) but is usually not fatal. Doses of 200 to 1,000 rad delivered in a few hours will cause serious illness with poor outlook at the upper end of the range. Doses of more than 1,000 rad are almost invariably fatal.
en.wikipedia.org...(unit)
100 MEV can deliver over 1 rad (absorbed radiation dose) a second. So, just going with 100 MEV, astronauts would be absorbing over 100 rads in two minutes- and we are talking up to and over 400 MEV in heavy parts of the belt!
And thats just the proton belt.
DJW001
reply to post by FoosM
So either NASA has made a big mistake, or NASA is lying.
But those three photos are impossible to make in 4 seconds.
In the face of this clear evidence, if you want to keep being conned,
then thats something you have to live with.
It has been explained to you over and over and over again that it is perfectly possible to take three photographs in the space of four seconds. It was also pointed out to you, three years ago, that the Apollo Lunar Surface Journal is not intended to provide precise timings of events during the mission. The times are simply a way of indexing, like the pages in a book. Why do you keep repeating the same debunked nonsense? It really isn't helping you to make your case. Please go out and find some actual original evidence. This thread is getting boring again.
I can't understand why people find this thread boring.
Rob48
reply to post by FoosM
Last response from me for a little while as I'm meant to be working!
You can't just take raw numbers for unshielded space and extrapolate.
You also need to take into account that (1) the translunar injection trajectory was planned to avoid the high flux areas, and (2) of course the module was shielded. Not with lead of course but even thin aluminium will, while not blocking all radiation, significantly reduce it.
Look forward to continuing this discussion later.
"We expected to see a fairly placid radiation belt system," Baker says. "Instead, we see that the belts have been extraordinarily active and dynamic during the first few weeks. We're looking in the right places at the right times."
Dateecember 7, 2012
Source:NASA
Summary: Just 96 days since their launch, NASA's twin Van Allen Probes have already provided new insights into the structure and behavior of the radiation belts that surround Earth, giving scientists a clearer understanding about the fundamental physical properties of these regions more than half a century after their discovery.
"This is the first time we've been able to measure the high energy particles in the heart of the radiation belts," Mazur said. "We're able to measure at the one billion electron volt level; particles at that energy are virtually impossible to shield against. They will easily penetrate half-inch thick aluminum plate." Particles at that energy level are known to cause a range of damages to spacecraft, from physical degradation to instrument malfunctions and false readings.
of course the module was shielded. Not with lead of course but even thin aluminium will
Zaphod58
reply to post by FoosM
Because lead shielding in space will kill you faster than no shielding at all.
So, now they have been able to properly measure the belts?
That means they had no idea what was going on up there in the 1960s.
And now they are finding particles that they cant to this day shield against?
Particles so energized they can pass through half-inch thick aluminum?
FoosM
choos
FoosM
Keep digging and you will find enough info pointing to the fact that it was impossible for any human to go through the belts with Apollo space craft. They weren't designed for radiation. No protection on the windows, thin walls, etc.
thin walls?? after a quick search
Get back to me when you do a real search with the real numbers.
Zaphod58
reply to post by FoosM
You don't need perfect shielding. You need shielding that blocks the worst of the radiation. Apollo had that.