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If an object cannot accelerate nor decelerate nor maneuver in space, how then did the LM head for the moon? |
There would have to be precise measurements taken to land the LM on the moon. Too many factors involved. 1. Moon is continuously moving 2. Scientists prior to the landing did not know the EXACT distance of the moon from earth 3. They would have to know the EXACT angle the LM would have to travel to meet the moon. 4. They could have not known how fast a COASTING LM would be traveling in space since no prior travels were made. Imagine this, the LM is approaching the moon, seeing that it's traveling to fast or too slow to meet the moon, how could they possibly flucuate their speed and position? Newton's Law of Motion: Every object in a state of uniform motion tends to remain in that state of motion unless there is an external force applied to it. They're in space with absolutely no friction or resistence. You're telling me the 1st time they attempt to go to the moon they succeed without learning from trial and error? Get Real. Of course it can accelerate and decelerate. That's what the fuel is for. Shoot it out behind you, and you're going faster - shoot it out in front of you, and you slow down. Basic conservation of energy problem. Of course objects can maneuver in space. How do you think te space shuttle lines up with the space station? How do you think the Mars rover was able to reach Mars? Or do you believe that those things are false also? An object with no power soure, subject only to momentum and gravity, might not be able to change speed,but the vesels have a power source and have maneuvering ability You've missed learning about the fundamental law of motion which states that for every reaction (blowing hot gas out of the back of the spacecraft) there's an equal and opposite reaction (the spacrcraft moves forward). The presence or absence of an atmosphere has nothing to do with this law. Careful measurements of the moon's motion relative to the earth allowed them to predict exactly where the moon would be when they arrived there, and careful measurements of its distance from Earth, the rotation of the Earth, the speed of the spacecraft, the effects of gravity (of both the Earth and the Moon) allowed them to go there, land, and come back safely. I guess you aren't much of a science buff, are you? Just because the person who told you all that BS can't figure that stuff out, doesn't mean that no one else could. I'm going to go out on a limb and guess that whoever misinformed you didn't work for NASA or the JPL anytime recently. (1) objects (like the LM) can accelerate and decelerate and maneuver in space quite well. It's called maneuver rockets. Who said one cannot accelerate in space? You're showing your ignorance. We had been doing lunar orbits since Apollo 9. By the way, the command module does the lunar orbit insertion with the LEM in piggy back. Once in orbit, who cares about the distance to the earth; you're problem is only 69 miles high which was the altitude of the orbit and they knew the mass and curvature of the moon and had landed in simulators rhousands of time. It was all Sir Idaac Newton's Laws. The LM was not a ballistic object - it had rockets and thrusters (though primitive by current standards) and was capable of maneuvering. If they didn't have rockets, how did they take off from the moon? 1. Moon is continuously moving |
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