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Why do they call what radiation shielding? Why do they call a window shade a shade, when anything opaque can block sunlight?
Originally posted by FoosM
I wanted to get back this.
Why do they call it radiation shielding if anything can shield against radiation?
If I had a shotgun, and fired it at a net.
Would you define the net as a shield?
Looks like Apollo 8 Magazine G was the one with the 2458 film: www.lpi.usra.edu...
Originally posted by FoosM
Can anyone point us to where a complete collection of all this photo and video material?
I would love to see what they took pictures of with 16,000 ASA/ISO
Wrong. The soviets were not in a race to the moon.
They were duped by NASA to look into landing men on the moon sooner than planned though.
Originally posted by nataylor
Looks like Apollo 8 Magazine G was the one with the 2458 film: www.lpi.usra.edu...
Originally posted by FoosM
Can anyone point us to where a complete collection of all this photo and video material?
I would love to see what they took pictures of with 16,000 ASA/ISO
Here are some higher-res versions: history.nasa.gov...
Originally posted by FoosM
Originally posted by nataylor
Looks like Apollo 8 Magazine G was the one with the 2458 film: www.lpi.usra.edu...
Originally posted by FoosM
Can anyone point us to where a complete collection of all this photo and video material?
I would love to see what they took pictures of with 16,000 ASA/ISO
Looks like...
I wouldn't know, cause LPI wont allow us to see the images in hi-res.
Webb’s Giant
Unfortunately, Webb’s Giant suffered poorly in the annals of history. The N-1 blew up four times between early 1969 and November 1972. One of the legacies of this failure was that it removed pressure from American presidents and the Congress to maintain higher levels of NASA spending. By the late 1960s the Soviets were not rivaling the United States in space to the same extent they had at the beginning of the decade, so it was safe to cut NASA’s budget and to shut down the Saturn V production line. (Edit for flow--DJW001)
But today we know the truth. Webb knew, he tried to tell us, and many people never believed him.
Originally posted by nataylor
Here are some higher-res versions: history.nasa.gov...
Originally posted by FoosM
Originally posted by nataylor
Looks like Apollo 8 Magazine G was the one with the 2458 film: www.lpi.usra.edu...
Originally posted by FoosM
Can anyone point us to where a complete collection of all this photo and video material?
I would love to see what they took pictures of with 16,000 ASA/ISO
Looks like...
I wouldn't know, cause LPI wont allow us to see the images in hi-res.
Also, it looks like that film was actually ASA 6,000, pushed to 16,000.edit on 14-1-2011 by nataylor because: fixed link
071:10:35 Lovell (onboard): Take those pictures [garble.]
[As they pass over the Moon's sunset terminator from darkness into light, Bill begins his stills photography using magazine G. Unfortunately, he has not realised that this magazine contains type 2485 film which is rated at a high sensitivity of 2000 ASA, about 6 stops higher than the 40 ASA he is likely assuming. The film was initially intended for taking images of astronomical phenomenon like the solar corona, which is to be imaged at about 85 hours GET. Bill will realise his mistake and inform the ground at 074:42:05. With prior knowledge of the problem, steps can be taken after the film is returned to Earth to compensate for the overexposure by altering the development process, eventually yielding good results.]
Originally posted by DJW001
reply to post by FoosM
Webb’s Giant
But today we know the truth. Webb knew, he tried to tell us, and many people never believed him.
Originally posted by matrix12
sorry if its been said lol didnt want too read 313 pages but was the moon landing faked?
Originally posted by DJW001
The question is: why do you think this would be important to include in a general interest article in Wikipedia?
With the change in mission for Apollo 8, Director of Flight Crew Operations Deke Slayton decided to swap the crews of the D and E missions. McDivitt, the commander of the D mission, has said he was never offered the circumlunar flight, but would probably have turned it down, as he wanted to fly the Lunar Module Borman, on the other hand, jumped at the chancecitation needed) his original mission would have largely been a repeat of the previous flight, albeit in a higher orbit.
Frank Borman “We were assigned to the third Apollo mission was supposed to have been a long duration, relatively long durations, exercising the lunar module and command module in Earth orbit out to eight thousand miles. And then in December while we were out at Downey, California going through the systems with the spacecraft I got a call from Deke Slayton, our boss, who said “Come back, we’ve had a change in plans” and he informed me that the CIA had informed NASA there would probably be a Soviet attempt to go around the moon before the end of the year, and they wanted to know if we could, this was in August, they wanted to know if we could change our mission, train and then be able to go. I immediately said “yes” because I knew that Bill and Jim were dying for the chance to do this.” Source (video) www.nasm.si.edu...
Frank Borman “The whole concept of changing our mission and getting ready in four months was done because we were in the “Can Do” program… “Beat the Soviets to the Moon”. NASA likes to talk about scientific exploration and our lunar expert here… Bill Anders… he can pick up all the rocks in the world… that’s just wonderful… the reason we went to the moon on Apollo 8 was to beat the Russians… I want to give you a clue!” Source (video) www.nasm.si.edu...
Originally posted by nataylor
Why do they call what radiation shielding? Why do they call a window shade a shade, when anything opaque can block sunlight?
Originally posted by FoosM
I wanted to get back this.
Why do they call it radiation shielding if anything can shield against radiation?
If I had a shotgun, and fired it at a net.
Would you define the net as a shield?
I would say that, like air, a net would make a very poor shield against shotgun shot. That doesn't mean you can't make a stack of nets several meters thick that might be able to stop a shotgun blast.
Simple point is, everything provides some amount of shielding from radiation.
If the particle energy profile is greater than the shield rating, the damage would be as bad or worse than if no shielding were present.
Background: Outside the protection of the terrestrial environment, astronauts on any long-term missions will unavoidably be exposed to fields of charged particle radiation dominated by protons. These fields and their biological risks are modified in complex ways by the presence of protective shielding. Methods: To examine the long-term effects of space-like proton exposures on immune status, we treated female C57BL/6 mice with 3 or 4 Gy of 250 MeV monoenergetic protons or the complex space-like radiation field produced after 250 MeV protons are transported through 15 g · cm-2 aluminum shielding. The animals were euthanized 122 d post-irradiation and lymphocyte phenotypes, hematological parameters, and lymphocyte blastogenesis were characterized. Results: There were significant dose-dependent decreases in macrophage, CD3+/CD8+ T, NK, platelet, and red blood cell populations, as well as low hematocrit and hemoglobin levels. In contrast, dose-dependent increases in spontaneous, but not mitogen-induced, blastogenesis were noted. The differences in dose composition between pristine and shielded proton fields did not lead to significant effects in most measures, but did result in significant changes in monocyte and macrophage populations and spontaneous blastogenesis in the spleen. Conclusions: The data indicate that whole body exposure to proton radiation at doses of the order of large solar particle events or clinical treatment fractions may have long-term effects on immune system status.
Originally posted by ppk55
To everyone saying Jarrah lied about not mentioning that the figures he presented were based on no shielding, may I direct you to Part 8 of his Radioactive Anomaly II series.
Here he clearly states at 1.16 in ...
"According to Russia's E. E. Kovalev, WITH NO SHIELDING the radiation could be anywhere from 11,666 rad per hour to 312.5 rad per hour."
He states, NO SHIELDING and also shows the table of figures in question at the same time.
I think some apologies might be in order.
To everyone saying Jarrah lied about not mentioning that the figures he presented were based on no shielding, may I direct you to Part 8 of his Radioactive Anomaly II series.
Originally posted by DJW001
FoosM: why is radiation shielding figured in grams per square centimeter? Think. (It's actually relevant to the most obvious error in Jarrah's video.)
Originally posted by SayonaraJupiter
Here is what also Frank Borman said about Apollo 8, from the video,
Frank Borman “The whole concept of changing our mission and getting ready in four months was done because we were in the “Can Do” program… “Beat the Soviets to the Moon”. NASA likes to talk about scientific exploration and our lunar expert here… Bill Anders… he can pick up all the rocks in the world… that’s just wonderful… the reason we went to the moon on Apollo 8 was to beat the Russians… I want to give you a clue!” Source (video) www.nasm.si.edu...
4 months prior to Apollo 8 launch date of December 21, 1968.... would be.... August 1968.edit on 1/15/2011 by SayonaraJupiter because: add killer quotations
Here is what I think.
You saw JW's follow up video.
He explains why he believes the Apollo space craft was unshielded.
Now you are coming up with work-a-around to suggest it was protected and to cover
your earlier erroneous accusation that JW manipulated his viewers
by not stating that the radiation charts he cited was based on no shielding.