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The first global mapping of neutron radiation from the Moon was performed by NASA's Lunar Prospector probe in 1998-99. LEND will improve on the Lunar Prospector data by profiling the energies of these neutrons, showing what fraction are of high energy (i.e., the most damaging to people) and what fraction are of lower energies.
With such knowledge in hand, scientists can begin designing spacesuits, lunar habitats, Moon vehicles, and other equipment for NASA's return to the Moon knowing exactly how much radiation shielding this equipment must have to keep humans safe.
Originally posted by backinblack
reply to post by DJW001
So far I'm reading that NASA knew precious little about radiation on the moon in 1969..
Talk about a risky venture !!
Originally posted by SayonaraJupiter
MoonFaker: Moon Rocks Revisited. Episode 1, Water In Apollo Samples. PART 1
Oh snap! Here we go!
Originally posted by FoosM
Originally posted by SayonaraJupiter
MoonFaker: Moon Rocks Revisited. Episode 1, Water In Apollo Samples. PART 1
Oh snap! Here we go!
Originally posted by DJW001
reply to post by SayonaraJupiter
Thirteen minutes calling people names and splitting hairs over phrases like "barely detectable" versus "practically no," "no measurable," etc, etc, etc. Couldn't help but notice that Jarrah brought up the "Dutch Moon Rock," and has only recently become aware of Tektites... very odd as Australia is noted for them. If Jarrah now understands Tektites, why did he use them to compare Earth spherules to lunar spherules?
Originally posted by backinblack
Originally posted by DJW001
reply to post by SayonaraJupiter
Thirteen minutes calling people names and splitting hairs over phrases like "barely detectable" versus "practically no," "no measurable," etc, etc, etc. Couldn't help but notice that Jarrah brought up the "Dutch Moon Rock," and has only recently become aware of Tektites... very odd as Australia is noted for them. If Jarrah now understands Tektites, why did he use them to compare Earth spherules to lunar spherules?
I watched the video..
I see nothing wrong with what JW said..
Maybe you can elaborate..
Originally posted by backinblack
Did Russia check surface radiation levels while on the Moon or do we just have NASA results?
Not only that, DJ probably just watched the first video and not the series.
JW reveals that the water found in moon rocks/soil is commensurate to terrestrial rocks/soil.
The Moon has long been thought to be highly depleted in volatiles such as water, and indeed published direct measurements of water in lunar volcanic glasses have never exceeded 50 parts per million (ppm). Here, we report in situ measurements of water in lunar melt inclusions; these samples of primitive lunar magma, by virtue of being trapped within olivine crystals prior to volcanic eruption, did not experience post-eruptive degassing. The lunar melt inclusions contain 615 to 1410 ppm water, and high correlated amounts of fluorine (50 to 78 ppm), sulfur (612 to 877 ppm) and chlorine (1.5 to 3.0 ppm). These volatile contents are very similar to primitive terrestrial mid-ocean ridge basalts and indicate that some parts of the lunar interior contain as much water as Earth's upper mantle.
The Moon is thought to be depleted relative to the Earth in volatile elements such as H, Cl and the alkalis[ 1–3] . Nevertheless, evidence for lunar explosive volcanism [4,5] has been used to infer that some lunar magmas exsolved a CO-rich and CO2-rich vapour phase before or during eruption[ 6–8] . Although there is also evidence for other volatile species on glass spherules [9] , until recently [10] there had been no unambiguous reports of indigenous H in lunar rocks. Here we report quantitative ion microprobe measurements of late-stage apatite from lunar basalt 14053 that document concentrations of H, Cl and S that are indistinguishable from apatites in common terrestrial igneous rocks. These volatile contents could reflect post-magmatic metamorphic volatile addition or growth from a late-stage, interstitial, sulphide-saturated melt that contained 1,600 parts per million H2O and 3,500 parts per million Cl. Both metamorphic and igneous models of apatite formation suggest a volatile inventory for at least some lunar materials that is similar to comparable terrestrial materials. One possible implication is that portions of the lunar mantle or crust are more volatilerich than previously thought.
They made an estimation, and it was more than survivable. According to the OS, the radiation on the moon was actually less than they had expected in 1969, and the LEND backs those results up.
Originally posted by backinblack
reply to post by DJW001
So far I'm reading that NASA knew precious little about radiation on the moon in 1969..
Talk about a risky venture !!
[snip]
science.nasa.gov...
Did we go to the Moon in a Soup can?
Originally posted by backinblack
reply to post by wmd_2008
True but your risks in no way compare..
Everything YOU do is a KNOWN risk..
The more you research, the more you realize how little they knew of the risks involved with Apollo..
Would I have gone?
Probably if I was young and stupid...
But then I know a lot more now than they did then..
I watched the video..
I see nothing wrong with what JW said..
Maybe you can elaborate..
Originally posted by SayonaraJupiter
I just completed watching the new 8-part Jarrah White series. It is very up to date and just released a few hours ago Jarrah presents a huge amount of data as usual citing all his sources. This series is not to be missed