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Originally posted by 000063
First up against the wall when the revolution comes, we know.
reply to post by FoosM
"Next hoax"? What was the first?
And, of course, FoosM spams pictures and videos and text without actually backing up his assertion of killer flares and SPEs, or addressing the evidence presented against it. I am not surprised in the slightest.
He is probably by now discovered that NASA is using two sets of numbers regarding space radiation.
And that they do so to purposefully confuse the public about it.
And he has to ask himself, why?
Why would they do that?
Why?
Originally posted by jra
Originally posted by FoosM
So... landing on a fast spinning asteroid in deep space is more feasible and beneficial than
returning to our moon?
Landing?! What are you talking about? DAWN is only orbiting Vesta. After one year, it will move on to Ceres. I think you need to read up more on the DAWN mission.
NASA's next big goals for human spaceflight, as articulated by President Barack Obama, are visiting an asteroid by the year 2025 and landing on Mars in the 2030s.
The longer you spend out in space, the more radiation you're exposed to. The Apollo missions were short in length (less than 2 weeks) . A mission to a NEO could take months, if not more. So yes, radiation becomes a much greater concern. I don't get why this is so hard for you to grasp.
Why would a few more weeks in space matter.
Originally posted by FoosM
What are you talking about? Which radiation? Apollo was a well shielded craft and no astronaut was exposed to high level of radiation. Why would a few more weeks in space matter. As long as the shield is intact no radiation can get through!
Originally posted by FoosM
Originally posted by jra
Originally posted by FoosM
So... landing on a fast spinning asteroid in deep space is more feasible and beneficial than
returning to our moon?
Landing?! What are you talking about? DAWN is only orbiting Vesta. After one year, it will move on to Ceres. I think you need to read up more on the DAWN mission.
NASA's next big goals for human spaceflight, as articulated by President Barack Obama, are visiting an asteroid by the year 2025 and landing on Mars in the 2030s.
Maybe next time its good to read the whole post before responding.
I was sardonically saying that the moon landings weren't a hoax.
Originally posted by FoosM
Originally posted by 000063
First up against the wall when the revolution comes, we know.
reply to post by FoosM
"Next hoax"? What was the first?
The manned moon landing, duh How can you post in a thread and not know the subject of discussion?
Wait a minute, are you sure you are in the right thread?
I call it spam because of its lack of relevance to the subtopics being discussed. Heck, its relevance to the moon landings and whether they were a hoax or not is questionable at best.
And, of course, FoosM spams pictures and videos and text without actually backing up his assertion of killer flares and SPEs, or addressing the evidence presented against it. I am not surprised in the slightest.
Spam? Oh thats rich. Just because you cant understand it, dont call it mystery meat.
Trying to shift the burden of proof, again. I expected more from--actually, that's exactly what I expected from you.
And why dont you ask CHRLZ for his "be all end all" radiation compendium?
Been waiting for that for many moons!
Can you show us these numbers? That's rhetorical; you're bluffing and blustering. You can't.
CHRLZ has, most likely, come across some information that is confusing him.
He is probably by now discovered that NASA is using two sets of numbers regarding space radiation.
Can you show us evidence of their motives? That's rhetorical; you can't.
And that they do so to purposefully confuse the public about it.
All I see is affirming the consequent, and not backing up your claim of "killer flares and SPEs". Funny thing is, you used the same type of wording when you bought it up a page or ago.
And he has to ask himself, why?
Why would they do that?
Why?
Well, at least you're finally admitting Jarrah was wrong about something.
Originally posted by FoosM
What are you talking about? Which radiation? Apollo was a well shielded craft and no astronaut was exposed to high level of radiation. Why would a few more weeks in space matter. As long as the shield is intact no radiation can get through!
Originally posted by FoosM
Maybe next time its good to read the whole post before responding.
What are you talking about? Which radiation? Apollo was a well shielded craft and no astronaut was exposed to high level of radiation.
Why would a few more weeks in space matter. As long as the shield is intact no radiation can get through!
Originally posted by MacTheKnife
EDIT : FWIW perhaps landing on a NEO might be more "beneficial" than returning to the Moon or going to Mars. It's a hot topic among those pushing for manned exploration of space. Aside from the knowledge we might gain from visiting a NEO, a fair number of them are thought to have a high percentage (relatively speaking) of water content. And water is needed by us humans, and not just to drink, but because it can be processed into fuel. Fuel that didn't have to be lifted out of a deep gravity well.
Originally posted by jra
Apollo was well shielded for the length of time that it was to stay in space. But from what I understand, GCR's are harder to shield against and the longer you stay out in space, the more you're going to be exposed to them. So a mission that's going to last several months is going to need stronger shielding.
A few more weeks? I said months (plural). Missions that would take 100 days or more. The longest Apollo mission was 12 days. And radiation did get through, but it was minimized to safe levels.
Originally posted by FoosM
MIR Station, 180 days (thats what 6 months?) 17.20 rem thats about 0.09 rem a day.
Apollo 11 9 days, 0.18 rem is 0.02 rem a day.
Apollo 14 9 days, 1.14 rem is about 0.12 rem a day. (the worst)
Unless my math is wrong, I dont see the problem!
Apollo astronauts managed to go through the belts, do EVAs on the moon fully exposed to GCRs, and their radiation exposures are no worse than Shuttle, ISS, or MIR station exposures with longer missions. So I dont see a shielding problem. Show me how this is a problem, because it sounds like NASA is just making excuses!
NASA should by now with special polymer compounds or alloys be able to make lighter and better radiation shielding than Apollo. So I dont see whats stopping them besides politics!
Originally posted by Aloysius the Gaul
Originally posted by FoosM
MIR Station, 180 days (thats what 6 months?) 17.20 rem thats about 0.09 rem a day.
Apollo 11 9 days, 0.18 rem is 0.02 rem a day.
Apollo 14 9 days, 1.14 rem is about 0.12 rem a day. (the worst)
Unless my math is wrong, I dont see the problem!
Apollo astronauts managed to go through the belts, do EVAs on the moon fully exposed to GCRs, and their radiation exposures are no worse than Shuttle, ISS, or MIR station exposures with longer missions. So I dont see a shielding problem. Show me how this is a problem, because it sounds like NASA is just making excuses!
Aren't ISS & Shuttle missions below the VAB's? Hence the lower rates of exposure and longer missions are possible for the smae or lower rates as Apollo?
Originally posted by Aloysius the Gaul
reply to post by FoosM
This document seems to give different figures for the average measured and "effective" doses received than yours - note that it is averaged over all missions, and not just 1 or 2.
Originally posted by FoosM
Thats what we have been told. But look at the numbers. Apollo went to the moon and still managed to have, in some cases, lower exposures than LEO missions. That tells me that the space radiation outside the belts is not an issue! They went through the Van Allen Belts, past the magnetosphere into open space exposing themselves to the whims of the Sun. They landed on the moon, conducted EVAs, even Deep space EVAs, and didnt show any issues with radiation exposure. If radiation was an issue out in space, then there should have been an elevated dose for Apollo vs LEO missions. So please explain what's stopping us from going to Mars?
Originally posted by FoosM
We "know" the moon has water.
We have experience being on the moon,
We have mapped it, its closer by, it moves slower, its larger.
Why try to ride a bull when you can easily mount a pony?
Originally posted by FoosM
I mean, what do they want to do, drag the asteroid back to Earth?
How will they mine it? Its ludicrous.
Originally posted by FoosM
Its setting the bar so high that they can have an excuse to say, its not possible after spending all kinds of tax dollars. Or simply fake it, LOL.