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|    sci.physics    |    Physical laws, properties, etc.    |    178,923 messages    |
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|    Message 178,046 of 178,923    |
|    Jim Pennino to Thomas Heger    |
|    Re: The Apollo moon landings (2/2)    |
|    22 Jul 25 06:41:10    |
      [continued from previous message]              >> Myth Repackaging Haunebu UFOs, studio faking       >> Selective Evidence Misused Apollo 17 photo, regolith skepticism       >> Conspiracy Appeal Suppression of truth, hidden technologies       >> Lack of Citations No sources, no data, vague references       >> Conclusion       >>       >> Thomas Heger's post is a blend of science fiction, conspiracy narrative,       >> and superficial skepticism, posing as a reasoned critique of the Apollo       >> program. It reflects a pattern where personal belief and historical       >> fantasy override physical evidence and scientific understanding.       >>       >> If evaluated in terms of epistemic reliability, the post scores extremely       >> low—it relies on unverified assertions, misinterpretations of science,       >> and discredited historical myths.       >>       >       >       > Actually I had tried to figure out the amount of fuel, which the 'Eagle'       > would need to land on the surface of the Moon.       >       > This fuel was necessary, because the Moon has (almost) no atmosphere and       > therefore a craft landing there needed reverted thrust, to bring the       > craft to a halt in respect to the Moon's surface.       >       > This would require fuel and the amount could be calculated.       >       >       > To do this I used the theory of Tsiolkowski.       >       > It was a little tricky, because the usual case for a rocket launch       > didn't fit here.       >       > But finally I have found a result and found, that the 'Eagle' had enough       > fuel on board to land. But it had only enough fuel to land and non for       > restart and to accelerate the capsule back to the orbit.       >       > The restart manouver itself was certainly difficult, because it could       > not be assited by any kind of ground control or external navigation       > system, because there were none.       >       >       > Since the capsule had only one engine, it would also be extremely       > difficult to keep that craft upright, since that would require to       > maintain the center of mass exactly above the engine's nozzle.       >       > That would be extremely difficult, bause the astronouts were living       > beings and could eventually move.       >       > They also brought stones with them, which also had mass and therefore       > needed to be distributed with extreme care.       >       > Any tiny error would make the capsule tip over to the side and that       > would have been fatal.       >       > The next collosal problem would have been to make the 'rendezvous' with       > the command module in Moon's orbit.       >       > That was so insanely difficult, that I cannot believe it would have been       > possible at all (supposed they had enough fuel, what they hadn't).       >       >       > So, in effect, I agreed with many sceptics and thought, the pictures       > were fake and fabricated in a studio.       >       > But I assumed, that only the pictures were a fake and that had to do       > with secrecy of military developments (-> hidden military technology).       >       > The Nasa guys had actually been to the Moon, but not with those cheep props.       >       >       > TH              1. Use of Rocket Equation (Tsiolkovsky's Formula)              Heger says he attempted to calculate whether the Lunar Module (LM)       "Eagle" had enough fuel to land using the rocket equation. He acknowledges       the difficulty of applying it due to the unique landing situation       (retro-thrust, low gravity, no atmospheric drag).              Assessment:       This shows a sincere effort to engage with the physics. However:               He does not provide actual numbers, assumptions, or delta-v values.               The LM's descent and ascent stages were separate, and each had its        own engine and fuel.               NASA's mission design included delta-v budgets, tested simulations,        and redundancies.        The claim that "no fuel was available for ascent" ignores that the        ascent stage had its own independent tank and engine.              Conclusion: His reasoning is incomplete and likely based on incorrect       or oversimplified modeling.       2. Claim About No External Navigation or Ground Control               "The restart manoeuvre itself was certainly difficult, because it        could not be assisted by any kind of ground control or external        navigation system..."              Assessment:               This misunderstands how inertial guidance systems worked (Apollo        had them).               The Apollo Guidance Computer (AGC) onboard both modules was        developed precisely to handle such autonomous control.               Radar and visual alignment were used for rendezvous.              Conclusion: Heger underestimates the onboard autonomy and overstates       the dependence on ground-based assistance.       3. Instability from Astronaut Movement or Rock Storage               "Any tiny error would make the capsule tip over to the side..."              Assessment:               The LM ascent stage did not rely on perfect balance during launch.        It was designed with thrust vector tolerance and low center of gravity.               Astronaut and rock mass was well within margin and accounted for        during engineering.              Conclusion: This is a highly speculative claim with no basis in the LM's       actual design parameters or performance tolerances.       4. "Rendezvous was impossible" Argument               "That was so insanely difficult, that I cannot believe it would have        been possible at all..."              Assessment:               Apollo practiced rendezvous procedures extensively in Earth orbit        and simulations.               Gemini missions successfully demonstrated these techniques in the        mid-1960s.               Lunar orbit rendezvous was complex but well within known orbital        mechanics.              Conclusion: This is an appeal to personal incredulity, not a valid       technical objection.       5. Conspiratorial Drift               "So, in effect... the pictures were fake... but the Nasa guys had        actually been to the Moon..."              Assessment:               This is an attempt at a middle-ground conspiracy: real landing,        fake photos.               Justification: military secrecy. No concrete evidence offered,        only suspicion.               The idea that astronauts made it to the Moon but filmed fakes on        Earth contradicts the massive volume of telemetry, rock samples,        and independent tracking by multiple nations.              Conclusion: This is a hybrid theory with no empirical support, emerging       more from distrust than data.              Thomas Heger’s post is a classic case of partial technical literacy       combined with intuitive doubt, leading to an elaborate but flawed       skepticism. It reflects effort but not rigor, curiosity but not       comprehension. His conclusions rest less on the physics or engineering       and more on a sense of “this seems too hard to be real,” which is a weak       foundation for denial of a well-documented historical and scientific       achievement.              --       penninojim@yahoo.com              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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