Naked Science Forum
On the Lighter Side => That CAN'T be true! => Topic started by: Batroost on 13/06/2007 19:43:03
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Well, I haven't. [:(]
(But I thought it was about time we saw a believeable post on the subject).
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i haven't either
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Well, I haven't. [:(]
(But I thought it was about time we saw a believeable post on the subject).
if you had gone to the moon, would you have taken your camera to get some nice holiday snaps to show your friends?
oh, but here can't be any pictures taken on the Moon because the film would melt in the 250° temperatures.
well any normal film would indeed melt if exposed to a temperature of 250o F, however the film used on the apollo missions was not ordinary film, and it was never exposed to this kind of temperature. Apollo astronauts used a special transparency film designed specifically, under a NASA contract, for hostile environments like the Moon. According to Kodak, the film would at worst begin to soften at 200o F, and would not melt until it reached at least 500o F. The cameras were also protected inside a special case designed to keep them cool. The situation on the airless Moon is much different than in your oven, for instance. Without convection or conduction, the only method of heat transfer is radiation. Radiative heat can be effectively directed away from an object by wrapping it in a material with a reflective surface, usually simply a white material. The camera casings, as well as most of the astronauts' clothing, were indeed white.
what about those that say, To reach the Moon you would have to travel through the Van Allen Radiation Belts, resulting in lethal doses of radiation.
Radiation was a definite concern for NASA before the first space flights, but they invested a great deal of research into it and determined the hazard was minimal. It took Apollo about an hour to pass through the radiation belts - once on the outbound trip and once again on the return trip. The total radiation dose received by the astronauts was about one rem. A person will experience radiation sickness with a dose of 100-200 rem, and death with a dose of 300+ rem. Clearly the doses received fall well below anything that could be considered a significant risk. Despite claims that "lead shielding meters thick would have been needed", NASA found it unnecessary to provide any special radiation shielding.
The Van Allen Radiation Belts consist of a doughnut-shaped region centered around the Earth's magnetic equator, and spanning about 40 degrees of latitude - 20 degrees above and below the magnetic equator. The translunar trajectories followed by the Apollo spacecraft were typically inclined about 30 degrees to the Earth's equator, therefore Apollo bypassed all but the edges of the radiation belts.
http://www.wwheaton.com/waw/mad/mad19.html
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BUT YOU KNOW YOU BOTH HAVE REELY!! Your just saying that because the government have got to you. Your just saying that to get fame and money!!!!!!!!
:-)
Actually I have been to the moon. It's a pub in London. I have been to Hades too. That's quite useful to point out when the Jehova's Witnesses come calling. I don't tell them that Hades (strictly speaking HADES) is in Belgium
http://www.iaea.org/NewsCenter/Features/UndergroundLabs/Mol/mol.html
On an entirely unrelated note, I have been told that imitation is the most sincere form of flattery.
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I have been to Hades too. That's quite useful to point out when the Jehova's Witnesses come calling.
when they have gone, the Jehovah’s Witnesses may also call [:P]. Sorry BC.
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They are even worse; they can read their magazines at you.
If you look here
http://en.wikipedia.org/wiki/Jehovah
you will see that almost all the various forms of spelling agree that the last letter is H
which is odd because it's never pronounced.
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They are even worse; they can read their magazines at you.
If you look here
http://en.wikipedia.org/wiki/Jehovah
you will see that almost all the various forms of spelling agree that the last letter is H
which is odd because it's never pronounced.
lots of words have a silent letter, i don't find it odd. Just pointless.
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I,ve been to venus and i can prove it , Holiday snap below
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