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Originally posted by MacTheKnife
Go back and brush up on your orbital mechanics. Inclination is just one parameter (element) that determines the path an object will take as is goes around the Earth. The longitude of the ascending (or descending) node, the argument of periapsis and of course the apogee will all determine where (if at all) that object passes through the VABs. That's because the VABs are aligned with the Earth's geomagnetic axis and not it's spin axis. Imagine a donut wrapped around the Earth but somewhat "tilted". If you had bothered to understand Braeunig's page on this ...
... since the VARB circle the geomagnetic equator rather than the geographic equator. We need to transform the coordinates to yet another reference plane. To do so, we must know the inclination and ascending node of the geomagnetic plane in relation to geographic equator. In 1969, the north geomagnetic pole was located at approximately 78.6o N and 70.2o W. The inclination angle is, therefore, 90 - 78.6 = 11.4 degrees. The longitude of the ascending node is 90o ahead of the north geomagnetic pole, or -70.2o + 90 = 19.8o E.
Originally posted by Aloysius the Gaul
Originally posted by FoosM
[
The heart of the radiation belt, where fluxes peak
Cant be any clearer now, can it?
Excellent - and where is that from??
Do we know how long Apollo 14 spent in the "heart" to experience it's increased radiation?
And finally, of course, how is this at all relevant to your assertion that radiation is supposedly not actually a problem for long missions?
Originally posted by FoosM
So wait a minute.
Are you, and Bob, saying that the VABs are not situated along the geographic equator?
... since the VARB circle the geomagnetic equator rather than the geographic equator.
Originally posted by FoosM
And even if it was tilted higher or lower, what difference does it make when the VABs basically encircle the Earth! Their size would dwarf a small craft like Apollo. Not to forget that NASA stated that at least Apollo 14 went through the heart, or highest flux, of the belt.
Apollo 11's TLI launch point was very close to the descending node of the geomagnetic plane, which is a very advantageous place to start. As the spacecraft swings around Earth and heads out toward the Moon, it travels in the direction where the geomagnetic plane slopes away from it. In fact, by the time Apollo 11 reaches a distance of about three Earth radii, the geomagnetic axis is tilted almost exactly in the direction of the spacecraft, resulting in maximum separation between Apollo 11 and the geomagnetic plane. This optimal alignment is maintained until the spacecraft is well beyond the limits of the VARB.
Originally posted by myself
How much of the "heart" did A14 go through, a tiny slice or right down the middle ?
Originally posted by MacTheKnife
Originally posted by FoosM
So wait a minute.
Are you, and Bob, saying that the VABs are not situated along the geographic equator?
I don't know how it could be any clearer.
... since the VARB circle the geomagnetic equator rather than the geographic equator.
Yes if you circled the Earth about the equator (and at sufficient altitude) you'd be in the VABs. But their "strength" (flux) would vary as you went around the Earth due to their alignment with the magnetic axis.
Originally posted by FoosM
Originally posted by MacTheKnife
Originally posted by FoosM
So wait a minute.
Are you, and Bob, saying that the VABs are not situated along the geographic equator?
I don't know how it could be any clearer.
... since the VARB circle the geomagnetic equator rather than the geographic equator.
Yes if you circled the Earth about the equator (and at sufficient altitude) you'd be in the VABs. But their "strength" (flux) would vary as you went around the Earth due to their alignment with the magnetic axis.
But I thought the VABs where aligned along the magnetic equator.
Originally posted by MacTheKnife
Originally posted by FoosM
Originally posted by MacTheKnife
Originally posted by FoosM
So wait a minute.
Are you, and Bob, saying that the VABs are not situated along the geographic equator?
I don't know how it could be any clearer.
... since the VARB circle the geomagnetic equator rather than the geographic equator.
Yes if you circled the Earth about the equator (and at sufficient altitude) you'd be in the VABs. But their "strength" (flux) would vary as you went around the Earth due to their alignment with the magnetic axis.
But I thought the VABs where aligned along the magnetic equator.
They are. The donut (or bagel) of the VABs circle around the Earth's magnetic axis, which is tilted with respect to the Earth's spin axis. That's why there's a SAA.
It has been addressed by the CTs. Their response is generally to claim it could've been planted by robots, without evidence, and then to change the subject as quickly as possible. An, on occasion, as Mac said, the bouncing lasers without the retroreflector thing.
Originally posted by deathlord
Lunar laser ranging experiment
i know it is wikipedia but search anywhere for more info on it. didn't take the time to go through all 528 pages on this but every time i see debates on moon landing all the conspiracy theorists never bring this up or try to refute it. It's a man made laser reflector put on there by apollo 11 and since then has given extremely accurate measures of the moons distance. go to any of the observatories that can check it with their equipment, they will show you shooting the laser to any part of the moon results in no return signal, but put in the coordinates from where apollo 11 placed the reflector and what do you know you get a returned signal.
sorry if anything like this has been posted before, but every time i see stuff about the moon landings being a hoax there is never any mention about this. how else would a man made object perfectly get placed and set up on the moon in the 1960's?
You tried this on Pg 182 with "major" flares/SPEs. When pressed, you spent several pages avoiding the definition of "major" and then changed the subject.
Originally posted by FoosM
Why should I define what NASA means by "heart" ?
Why doesn't NASA?
This is all part of the vague games they play.
I believe in them, and am not American. So do most people.
Originally posted by lestweforget
Mainly only Americans believe they landed men on the moon, is an accurate statement, i believe. Americans would be very surprised to find out exactly how few non Americans believe in the moon landings.
Originally posted by FoosM
Originally posted by MacTheKnife
Originally posted by FoosM
But I thought the VABs where aligned along the magnetic equator.
They are. The donut (or bagel) of the VABs circle around the Earth's magnetic axis, which is tilted with respect to the Earth's spin axis. That's why there's a SAA.
But there is a difference between the geomagnetic equator, and the magnetic equator.
Originally posted by MacTheKnife
Originally posted by FoosM
Originally posted by MacTheKnife
Originally posted by FoosM
But I thought the VABs where aligned along the magnetic equator.
They are. The donut (or bagel) of the VABs circle around the Earth's magnetic axis, which is tilted with respect to the Earth's spin axis. That's why there's a SAA.
But there is a difference between the geomagnetic equator, and the magnetic equator.
OK I didn't catch your distinction, let's be very specific then. The VABs circle the geomagnetic equator. The geomagnetic equator is orthgonal to the geomagnetic axis, which runs between the north magnetic pole and the south magnetic pole. The intersection of this axis and the plane in which the geomagnetic equator lies is somewhat due north of the geocentric center of the Earth. Some variation in the belt symmetry should be expected due to the solar wind's effect on the Earth's magnetic feild.
Originally posted by ProphecyPhD
[yvid]wEIqa8_ZSyY[/yvid
Since crews needed the software for training at least 6 months before the mission, and some buffer had to be allowed for last-minute glitches and their solutions, software designs for the AGC, developed at MIT, had to be available a full year before a flight, a very difficult schedule to meet at the time22. As a result of this study and the continued concern of the Apollo Spacecraft Project Office, W. B. Goeckler of the Systems Engineering Division of the program [277] asked James L. Raney of Computational Analysis to do a feasibility study of using a DDP-224 to simulate the AGC23. Goeckler thought it might be possible to make the Honeywell computer think it was the MIT computer and execute the MIT code, thus eliminating the need for rewriting the programs and solving the time problem.
Despite Raney's careful evaluation of the situation and proposed solution, many Apollo project personnel opposed it, simply feeling it was unworkable25. In desperation, NASA approved the attempt at an interpretive simulator and bought the modified computers. In the end, [278] the simulation within a simulation was spectacularly successful. Even though Raney and his team took care to time the subroutines so that they matched execution of the actual Apollo code, the simulated computer was faster than the real article. Following the Apollo 9 earth-orbiting mission that tested the command module and lunar module rendezvous techniques, pilot Dave Scott complained that he had up to 12 seconds less time to react when the computer signaled for a maneuver to begin. This was adjusted for later flights.
Originally posted by FoosM
Originally posted by MacTheKnife
OK I didn't catch your distinction, let's be very specific then. The VABs circle the geomagnetic equator. The geomagnetic equator is orthgonal to the geomagnetic axis, which runs between the north magnetic pole and the south magnetic pole. The intersection of this axis and the plane in which the geomagnetic equator lies is somewhat due north of the geocentric center of the Earth. Some variation in the belt symmetry should be expected due to the solar wind's effect on the Earth's magnetic feild.
Alright, is there a difference between the geomagnetic equator and the equatorial equator?
And how many degrees from the ecliptic plane is the geomagnetic equator and the equatorial equator if its not the same?
Originally posted by WWu777...astronomers appointed by NASA to debate the moon hoaxers such as Phil Plait of www.badastronomy.com, Jay Windley, the Mythbusters program...
Originally posted by DJW001
reply to post by FoosM
What is it about the word "simulation" that gets you barking?
Originally posted by MacTheKnife
Originally posted by deathlord
how else would a man made object perfectly get placed and set up on the moon in the 1960's?
The smarter HB'ers will say it was done with an unmanned lander as the Russians did during the Apollo program. The stupider one's will go off on a tangent about how bouncing lasers of the Moon can be done w/o a retroreflector.
Originally posted by PsykoOps
reply to post by StalkingGoogle
Sources for those. I call BS. As if he is a psychic who knows before hand what IP / handle you use.
Originally posted by PsykoOps
So you admid that you have no sources? You're just making this stuff up as you go? Was nice talking to you.