Rocket Science Explain By Elon Musk

There is a small educational process needed to understand the power of the orbital, Uhm, because many people are confused like "Why are you dismantling a ship, putting a rocket on a ship at sea? That looks very good", um, and the reason that climbing and landing is actually about the horizontal speed on the earth's surface. um, there is a big difference between space or space and rotation, like space, you can think of as meaning the international watershed of the Pacific Ocean. Like if you go, you know, 100 miles off the coast is actually no longer.Yes. . coastal waters, now in the Pacific. - All right! - So it's like you're technically in the Pacific, but the orbit is like orbiting the earth.

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The biggest difference and the reason why things go up and stay high is that you are pulling the earth too fast, so that your equal external acceleration is equal to the internal acceleration of gravity, so that measure and you have a zero net. So when you see a space station, something that is not a small type of um, it is contradictory that the space station is completely approaching the earth at 17,000 kilometers per hour. - Or it looks like it's just ... - It looks like it's really stopped, you know, but it goes very fast and puts you in that position, a bullet from 45, um, a gun in a handgun, um, is just below the speed of noise, so- then the space station travels faster than 25 times faster and that is what it takes to actually climb and stay on top. And that’s why there is a term escape speed, not a height escape.

There is no such thing as an escape height, only an escape speed. You need to be at a certain speed to escape the gravitational force of the Earth ... Yeah, you can think of gravity as a kind of funnel in space, um, so uh, think of it as a skin of money as it is much more than that, you know, but obviously a kind of four-sided coin. However, if you were to search for marble or coin in a coin, if that type of spin was a little farther away and as it approached it would rotate faster and faster, and if you wanted to, if you could start at the bottom of the coin corner and want to exit, you would turn it up you make a circle, um .- Yes, of course, gravity is like skin ... - How does that fit together ... why do you want to stay on a ship at sea? Because in order to be able to move around, all that matters is your horizontal strength and your height does not matter. In fact, the force of gravity is that the average boundary of space, 100 kilometers, is almost exactly the same as the surface of the earth. Um, it's like a few percent lower than the face of the earth. Um, so to get up and stay on top of the most important thing is how fast you go up to the surface of the earth, so you have an external acceleration or think about it maybe like football or something like that, actually that external speed is important. And then when the rocket rotates, the only reason it will soar out of a large part of the atmosphere is that at high speeds the atmosphere is as thick as molasses. Um, so it goes up very short but if you look at the long exposure of the rocket trajectory you will see that it goes up but it quickly turns and starts to go up and um,

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where uh, the point where the sections split, those two sections ... Um, the first stage of the rocket's most expensive upgrade, the point at which that stage takes place uh, can be um, like the height of uh, Mach 10. But it is ...., so it starts at the start of 10 times at the speed of sound. So to get back to the launch site you will need to have enough uh, fuel, and oxygen to restore that velocity and push back all the way to the launch site. And you just don’t have it, its physics doesn’t let you have that much ... it’s not fueled savings or anything, it’s physically impossible. So, because it's kind of something about, eh, when you're in a space that nothing can react against it, so just like when an airplane rotates easily because it's reacting in the air, unless there's nothing that can react. So the only way to go back to the other side is to use as much energy as you used to go ... if you want to go back, you have to use as much power as it took you forward, in Truth or twice as much, because you have to take it out and then you have to get somewhere! - Yeah, the very bottom line of this thing is that this zinging thing just emits yeah, very well ... ten times faster than a bullet! -

Elon Musk

It may be above the sea, because the sea covers most of the ... Oh, actually, where we parted not too far, maybe 100 miles from the starting point, but it would be like hell. the only way to find the earth is to continue on that arc, that arc ballistic and reach farther into the sea by a pre-existing ship A certain width and length, straight, up to about a meter, uh, and then the rocket will leave where it leaves the wind with a rare wind at hypersonic speed, uh so- then if it's in the hole you should, obviously you can't use aero resources, you should use uh, nitrogen jets to control um, mood and mood. You can see the first phase has already turned around and you can see the nitrogen from our mood control system that helps direct it backward. And stage separation is guaranteed! And you can see the first stage when we go back, use nitrogen thrusters . Then stop, as it starts to come together

Rocket Science Explain By Elon Musk | What is rocket science?