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originally posted by: greenreflections
Guys, just think about it, why to abandon working interplanetary venture when enormous input was a success and points out to aim for a new goal after so many successful missions?
There is permanent Moon base that can not be ignored as logical continuation of trouble-free landings, for instance. Makes no sense. Its like to invent a computer concept and put it on the shelf because 'been there, done that', 'no longer a challenge, hence we shift to sending probes to Mars because there is nothing else to do on that damned Moon anyway'. Sort of like why to give up unparalleled to Earthlings achievement without to at least to make an attempt to build a fundament on the Moon for future generations. Say, lets continue tossing darts into the sky using millennia old formulas only this time higher and with better photographic gear)
cheers)
originally posted by: turbonium1
then asked for more money, but didn't get it.
NASA admitted they didn't know how much money is needed to reach their goal, which is a manned lunar mission.
Now, a lack of money is after getting all the money you asked for, and getting more money later on, and not knowing how much more money is 'enough' - but they 'lack' it.
The government refuses to give them 'enough' money, obviously!!
This assumes that money solves the problem.
They don't know what is 'enough' money, because nobody has ever landed on the moon!
originally posted by: choos
you know what lets just simplify it.
Is usage of aluminum in the hull of a spacecraft deadly regardless of how long they spend in deep space?
if it isnt it means Apollo was definitely possible.. all i need you to say is that usage of aluminum on the apollo spacecraft hull made the mission impossible to survive.
originally posted by: turbonium1
The number one excuse - a lack of money!
In reality, NASA received all the money requested, spent it all, got more money, and spent it all once again, then asked for more money, but didn't get it.
The fact is aluminum shielding will not protect humans within deep space.
originally posted by: OneBigMonkeyToo
Either provide a source for that statement or admit you made it up.
They do, because they have, but no-one will give them it any more.
Hey we can add another question to the ones you refuse to answer! As well as:
What evidence do you have that the Apollo hardware was not capable of doing the job for which it was designed?
and
What evidence do you have that Apollo astronauts would have, and did, receive a lethal dose of radiation?
we can add:
How much do you think it costs to send a man to the moon? Which hospitals and schools should close to pay for it?
originally posted by: choos
a reply to: turbonium1
The fact is aluminum shielding will not protect humans within deep space.
so you think it is 100% deadly, exposed to GCR's, when using aluminum hull, regardless of exposure time?
originally posted by: turbonium1
That's not my claim, as I've already explained to you, at length.
Aluminum is a poor shield in deep space, as we know..
They don't say aluminum craft would be 100% deadly, and neither do I say it.
They say it's not known, as yet, what the effects entirely are, on humans. But they DO know it is worse than no shielding at all, so it's hardly good to start with.
So they know it is worse than no shielding, in deep space, but they don't know how much worse, as yet. They know it's not going to be used in manned missions in deep space, because they know it's worse than no shielding at all!!
Now, despite what we know, why wouldn't they make an exception for short missions, like Apollo?
Ask yourself why they don't make any exceptions....
originally posted by: OneBigMonkeyToo
No. We don't know. It is not as good as some shield material, it is better than others. What it is is light. You also need to remember, because you never seem to, that aluminium was not the only construction material Apollo.
""They say" do they? OK we'll go with that, in which case how can you argue that Apollo astronauts would have been at risk? Where have you got the idea that aluminium shielding is worse than no shielding? Speciically, what words were used?
Where do they say that? Where are they talking about planning short term missions like Apollo? And again, if you are relying on sources which you claim don't know precise levels of risk from radiation, how are you able to be so definitive with your assessment that Apollo was inadequately protected from it?
originally posted by: turbonium1
originally posted by: OneBigMonkeyToo
No. We don't know. It is not as good as some shield material, it is better than others. What it is is light. You also need to remember, because you never seem to, that aluminium was not the only construction material Apollo.
""They say" do they? OK we'll go with that, in which case how can you argue that Apollo astronauts would have been at risk? Where have you got the idea that aluminium shielding is worse than no shielding? Speciically, what words were used?
Where do they say that? Where are they talking about planning short term missions like Apollo? And again, if you are relying on sources which you claim don't know precise levels of risk from radiation, how are you able to be so definitive with your assessment that Apollo was inadequately protected from it?
Aluminum is not only a poor shield in deep space, it makes it worse than before.
originally posted by: Box of Rain
Yes, but that's one reason why Apollo missions were kept short, and one thing that prevented longer-term missions to the Moon after the Apollo program ended. Apollo had no purposely-built radiation shielding -- and as you said the aluminum used in the structure and skin of the craft actually made that radiation worse.
However, that long-duration mission radiation problem is not really evidence that Apollo didn't happen. That's just the reason why 2 weeks was about the maximum duration for Apollo, and one reason why we didn't follow-up Apollo in the 1970s with long-duration missions. The spacecraft technology of the time would not allow for long durations (longer than a couple of weeks) away from Earth, because they didn't really have a lightweight and effective radiation shielding.
Bout how exactly do you see that as evidence that we didn't go to the Moon?
originally posted by: OneBigMonkeyToo
The final bill for Apollo was $25.4bn, $1.5bn over the January 1969 estimate, all costed and itemised. Initial estimates when Kennedy set his goal were $20bn. Far from constantly having to beg for more money, they had a very good idea of how much they needed and where the money needed to be spent.
In 2005 this report suggested $100bn
www.space.com...
Allowing or efficiency improvements will probably offset inflationary costs, and I've seen that figure quoted elsewhere as the equivalent of 1969 money. That $100bn is a NASA figure, which says to me they know how much money they need. That's very different from "NASA have no idea".
originally posted by: choos
basically this is the story you have weaved so far.
it was really a lack of shielding technology that they never had of which they did have in 2007 by looking at the report you like to quote from but they didnt have this technology in 2009 when they cancelled constellation because "lack of money excuses", as you say, to develope this technology which existed in 2007 but still needed to develope this technology using moneys by 2009 of which they failed to do even though it existed in 2007, as shown from your own report, and disappeared in 2009, due to "lack of money excuse" from developing new technology that doesnt exist yet but does exist.
nice web of lies and contradictions you have built.
originally posted by: turbonium1
That's not my claim, as I've already explained to you, at length.
Aluminum is a poor shield in deep space, as we know..
They don't say aluminum craft would be 100% deadly, and neither do I say it.
No, this is YOUR web of lies, which I never said.
originally posted by: turbonium1
They DID NOT KNOW that aluminum was a poor shield in deep space, at the time of Apollo.