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    Position as function of time - satellite in elliptical orbit (spherical coordinates)

    Speaking in terms of fuel, what is a more efficient way of putting something into orbit? Should you go for low orbit and increasing speed to maintain the orbit? Or spending the fuel to get further out, then accelerate to the slower speed needed to orbit at that range with the same object...
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    Math to the Moon

    I have a question for someone who may know a bit more about the calculations involved in this process. Lets say for instance you are standing on earth and somehow fly off the ground and go straight to the moon. Throughout the flight you will be experiencing different forces of gravity pulling...
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    Getting something to the moon.

    So we could say again being as far away as possible before launch point, say we are searching for a constant speed of 2 g's to over come and ultimately reverse the the force of gravity basically like were free falling away from earth to the moon. Over distance we can increasingly reduce the for...
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    Getting something to the moon.

    So you mean to say it is better to get it overwith instead of the slow approach or you mean it is easier to get there by first getting into orbit?
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    Getting something to the moon.

    Lets say though we are not looking for orbital velocity but just a point a to point b path to the moon. I know that the traditional approach is to go into orbit, then basically "take off" from there as you can use your already stored up speed etc etc and in the end is probably a better idea, but...
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    Getting something to the moon.

    But in this scenario, lets say we take the Balloon and this platform holding the rocket to around 25 miles up in the air. By balloon this would take about 45 minutes to an hour give or take some depending on the ballon and load it carries. Either way, at this point, the rocket itself has pulled...
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    Getting something to the moon.

    This is all theoretical of course. I would like to pt together a small presentation on what it would take to get an object to the moon. For the sake of argument, we will say the object weighs 10 pounds. The shape can be determined by the most efficient shape given the method of propulsion etc...
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