The office of the teacher Enigma (10): Solution

Since the day has come, darlings and sapientísimos, sharp and shrewd readership. I have been surprised very pleasantly with the answers that you have provided to the teacher Enigma.
Well, let's go on parts. The extract corresponds to a few vignettes of a cómic of Clink, in particular the alumnus "we Have trodden on the Moon", of not so magisterial one (científicamente speaking) Hergé. Congratulations to those that you gave in the nail!
Let's go now with the physics. In this also you have pointed the blunder many of you. Really, to use only one side rocket is not effective at all if he wants to make to rotate one or to turn to the rocket and that stops when it has turned 180th. Remember that the movement of an object in the ambience is quite different from the one that he would execute in absence of the same one, in the gap of the space, where any aerodynamics of the fuselages turn out to be completely useless. And so, to produce the rotation of the ship (as they try in the cómic, that is to say, putting the bow looking towards the Earth) of our friends, at least, two side reactors are needed. There must be wings because if his action lines were happening for the center of gravity of the ship they would not also produce a movement rotacional (this is a good opportunity so that you revise Newton's laws, if it is that it does not offend you too much). Abounding slightly more in the topic, in case only one side rocket was managing to make to rotate to the Clink ship, this rotation would be supported indefinitely, while another opposite force was not opposed. That's why more than one side rocket is needed, to be able to brake the rotation in the suitable moment.
As curious note I can say to you that the spatial ferry that the NASA uses to realize maneuvers in the space is equipped along all his fuselage neither more nor less than with 44 microrockets that allow him to move and do corrections in his displacements. The same way, the rucksacks with which there are decked the astronauts who execute spatial walks out of the ship, have 24 propellents that work expelling gaseous nitrogen.
Finally, let's discuss a little some question aimed in some of the comments. The 240.000 km distance to which one alludes in the post is not expressed of incorrect form that, that is to say, there are no miles, but really km. Now then: does turn out to be reasonable to realize the maneuver of change of sense or investment of the rocket at similar distance of the Earth? The truth is that the movement of a ship in the direction of the Moon has some complexities that do not come to story here now, but yes that I would like saying some things.

Along the Hergé cómic, it is seen that sometimes the protagonists activate and deactivate the principal propellents of the ship, without much felt. This does that the rocket acquires accelerations that produce very curious effects inside the same one. A rocket that we were throwing in direction of the Moon would be "falling down" almost all the time towards the Earth, since this one never to stop exercising his enormous gravitational influence. Nevertheless, as it is approaching the Moon, the force exercised by the Earth is diminishing and, on the other hand, the exercised one by the Moon is increasing increasingly. When the rocket reaches a distance to the Moon approximately equal to the ninth part of which it separates from the Earth both bodies (Earth and Moon) they will exercise the same gravitational pull on that one, with which the rocket will begin to "fall down" towards the Moon. One might feel touched of saying that it must be in this point where the rocket must invest his sense and begin to brake, but this is neither definitely necessary nor essential and, therefore, he does not constitute a blunder in strict sense. One can travel towards the Moon at a madmen's, extremely high speed (I remind to you again that our maddened friends accelerate the ship sometimes, making her gain speed) and begin the braking process to the beast and at the distance that it avenges in desire, although it is not too reasonable.
As for the topic of the delay of the signs due to the distance to the Earth, he is not a blunder either. It is supposed that the personnel of the center of control knows this and can move forward or slow down the messages to compensate.