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There's been a lot of discussion concerning what you can see through the scanning telescope as far as recognizing stars and constellations. During the early part of the flight I could not see anything through the scanning telescope that I could recognize, for instance - a constellation. I could see several stars, but I couldn't pinpoint them because I didn't know the surrounding stars. As long as we did not move the spacecraft around, got some distance from the earth and its light, it was possible to see constellations in the scanning telescope
.
Several factors are involved here. One, of course, is that you must become dark-adapted. You must be dark-adapted before you can see stars. When you first look through the scanning telescope, you see nothing but blackness.
A second factor is the spacecraft attitude with relationship to the sun and/or the earth and the moon. When we're close to the earth and we're maneuvering near the earth, there's enough reflected light in the scanning telescope to make stars not visible in the scanning telescope. This is very similar to earth orbital flights. As we moved away from the earth, about halfway between the earth and the moon or a little bit less, it was very easy to see constellations or stars in the dark areas of the sky. As soon as we got close to the sun then sun shafting was very noticeable, and light in the sextant was noticeable and the 'stars are washed out. Then we had to rely on the auto optics to pinpoint the proper star, which we could easily, see in the sextant. I had no problem in almost any attitude seeing stars. in the sextant, the bright ones. But I did have a hard time identifying the stars in the scanning telescope.
The use of Program 30 and Program 21 in determining pericynthian altitude seemed to work quite well. Depending on the accuracy of our state vector, we could determine very closely what the ground determination of our pericynthian altitude was.
All this discussion of what Apollo astronauts could or could not see is futile and pointless. Edgar Mitchell said that the stars were 10 times brighter in space, and he could see them even though the rotation of the module to retain thermal equilibrium meant that the Sun rotated past the portholes once every few minutes, which would make all the dark adaptation talk nonsense. So was he lying, and if so, then why should we believe what ANY of the astronauts, or NASA says?
We were oriented in what’s called a barbeque mode. Every two minutes, we rotated one full 360- degree turn, so the earth, the moon, the sun, and a whole panoply of heaven and stars came to the window.
Suddenly I remembered from my earlier training in astronomy that the stars in the universe are furnaces for all matter. That was good intellectual knowledge, but all of sudden it was personal knowledge. I began to see that the molecules of my body, and the molecules of the spacecraft, and the molecules of my partners’ bodies had all been prototyped in some ancient generation of stars. It was, “those are my molecules in those stars.” And those thoughts were accompanied by a state of bliss and ecstasy. It was visceral. It was wow.
It hit me pretty heavy that, “It’s all interconnected.” I knew something powerful was going on and I wondered what it was.
The only way to answer the question of what is visible is to find out what is visible NOW, and that SHOULD be very straightforward. We have skilled astronauts and all kinds of cameras and lenses in orbit NOW, so use them to prove that stars, planets, the Moon, and even the Sun are visible from the ISS.
He was waxing poetic. Here is what he actually said in an interview for an, erm, open minded reporter:
Originally posted by decisively
reply to post by choos
Read all of what Lovell says in the deberiefing about navigating. Too much to be quoted in full here, but in sum, when Lovell sighted a star, he did so with solid confidence, Shepard, not so. As such, given Shepard's lack of confidence, we may conclude all of Apollo fraudulent, not because Shepard REALLY LACKED CONFIDENCE, but rather, he did not understand his own ruse well enough to finesse the star sighting business so that it was even marginally credible. We can dismiss him as an Apollo astronuaut, BOOM!!! , immediately after reading the above referenced critical comments of his as they betray the views of a man in space who would not know his attitude . Not OK. Shepard is so identified as a fraud and so too is all of Apollo identified as fraudulent.
Why listen to a middle man, why not listen to the man himself, in his own words? In the first 2 minutes of this vid, he quite clearly states he saw the stars, the Sun and Moon, both on the way out, and the way back. Why would he have had a mystical, spiritual experience if there was nothing visible, if it was pitch black?
www.youtube.com...
As for the ISS vids, you are again showing me things visible through the Earths atmosphere/ionosphere, which I know is correct. Find me something looking AWAY from the Earth. Find me a picture of a waxing or waning crescent Moon, complete with Earthshine, like I can see from Earth. And these don't meet my criteria.
Originally posted by GaryN
reply to post by DJW001
Why listen to a middle man, why not listen to the man himself, in his own words? In the first minutes of this vid, he quite clearly states he saw the stars, the Sun and Moon, both on the way out, and the way back. Why would he have had a mystical, spiritual experience if there was nothing visible, if it was pitch black?
Originally posted by DJW001
reply to post by GaryN
We were oriented in what’s called a barbeque mode. Every two minutes, we rotated one full 360- degree turn, so the earth, the moon, the sun, and a whole panoply of heaven and stars came to the window.
Suddenly I remembered from my earlier training in astronomy that the stars in the universe are furnaces for all matter. That was good intellectual knowledge, but all of sudden it was personal knowledge. I began to see that the molecules of my body, and the molecules of the spacecraft, and the molecules of my partners’ bodies had all been prototyped in some ancient generation of stars. It was, “those are my molecules in those stars.” And those thoughts were accompanied by a state of bliss and ecstasy. It was visceral. It was wow.
It hit me pretty heavy that, “It’s all interconnected.” I knew something powerful was going on and I wondered what it was.
The NASA clown Edgar rotated 360 degrees every 2 minutes, so he saw the haven and was on drugs since then seeing many UFOs.
This is just one of irrefutable proofs of the Apollo mooning, called Passive Thermal Control commonly known "barbecue astronots mode".
Originally posted by DJW001
reply to post by bokonon2010
The NASA clown Edgar rotated 360 degrees every 2 minutes, so he saw the haven and was on drugs since then seeing many UFOs.
I don't follow you.
This is just one of irrefutable proofs of the Apollo mooning, called Passive Thermal Control commonly known "barbecue astronots mode".
Yes, they rolled the spacecraft. How does that prove Apollo wasn't real?
Who are they, when and how they rotated the can with astronots? - link to the NASA sources.
Requirement: For long periods of coasting flight, provide passive thermal control by implementing a "barbeque mode" -- a very slow rotation (one revolution per ten minutes or slower) about the spacecraft roll axis and with the desired roll axis direction fixed in space.
Design provided: An attitude control mode that used the reaction control jets to establish the initial desired angular velocity, and then as needed to maintain the spacecraft attitude close to the rotating desired attitude associated with the desired constant angular velocity vector along the roll axis with a fixed direction in space.
In-Flight Performance: There was a slight dynamic imbalance because the moment of inertia principal axes were not precisely aligned with the spacecraft axes. Active torquing was required to maintain the spacecraft attitude close to the desired rotating attitude. While the fuel consumption was thought to be acceptable, nevertheless the astronauts complained that the banging of a jet every minute or so made it impossible for them to sleep. NASA asked us at M.I.T. what to do?
First suggestion: Our first suggestion was to turn off the active automatic attitude control (no jet firings) after the initial desired angular velocity was established. It was hoped that the subsequent free-body motion would be reasonably close to the desired spinning motion. The astronauts gave this a try, but the subsequent wandering of the roll axis away from its desired azimuth and elevation were deemed too large. What else to try?
Second suggestion: Bill Widnall suggested that what was needed was to get the angular momentum vector much closer to the principal axis nearest to the roll axis and that this could be accomplished by not using the active attitude control mode to establish a precise roll angular velocity but rather by using the rotational hand controller to command a pure torque about the roll axis. The induced angular momentum vector would be aligned with that torque impulse. This worked very well. In the subsequent free-body motion the roll axis deviation away from its desired orientation was acceptably small and the astronauts got their sleep.
What would Shepard do if he lost his platform. He would not be able to use the sextant then as the computer would have by definition lost the stars. what then ?
Originally posted by decisively
reply to post by bokonon2010
bokonon, it is 360 degrees every 20 minutes/18 degrees per minute/3 tenths of a degree per second, or 1080 degrees/3 spins per hour. It is fairly slow. The PAO for Apollo 15 here(history.nasa.gov...);
"This is Apollo Control at 66 hours, 1 minute. Apollo 15, at present time, continuing at its Passive Thermal Control mode and the crew [are] about 4 hours away from the scheduled time of awakening. In the Passive Thermal Control mode, the spacecraft is rotating about its longitudinal axis at the rate of about 3 revolutions per hour to maintain uniform exposure to the Sun and the proper thermal control of the spacecraft."
The Apollo Lunar Module and Command and Service Modules had a PTC of one revolution per minute. The vehicles rotated about a common centerline.