if we're moving in space how can we go out to space ?

If we can go out to space,and the earth is moving in 107 km/h ,how can nasa figure out a way to catch up and stay in our sun system ?

If they went to the moon so they had to find a way to travel really fast to stay on course.

enlighten me please !

If we can go out to space,and the earth is moving in 107 km/h ,how can nasa figure out a way to catch up and stay in our sun system ?

If they went to the moon so they had to find a way to travel really fast to stay on course.

enlighten me please !

Why don't we fly off earth when it is moving that quick? Because we are also moving equally quick. The materials we are made of comes from earth, and those materials move with the earth in the same speed as earth. Same for the rockets, but they add some extra speed to themselves to move away from earth.

Have you ever put your hand outside a car window? I've enjoyed doing that these last few weeks. Something does not slow immediately, just because it leaves whatever accelerated it. The only thing that would make something stop outside of a car is air resistance: which there is none of in space.

In addition, rockets can be seen to accelerate at 28,968 kilometers per hour, and that's with air resistance as a factor. Even if keeping up were an issue (which it isn't) it would be no problem.

I didn't realize just how interesting a topic rockets were, thank you. We don't have them where I'm from.

Thats not my question,,,

if we are moving in space - and lets saywe are sending a ship to the moon...if the earth is moving towrd another galxy.. and lets say the moon is too
still...we are moving in space... that means that the ship will have to catch up the speed.. otherwise she will be left behind...
and thats valid for everything thats leaving our planet...

Thats not my question,,,

if we are moving in space - and lets saywe are sending a ship to the moon...if the earth is moving towrd another galxy.. and lets say the moon is too
still...we are moving in space... that means that the ship will have to catch up the speed.. otherwise she will be left behind...
and thats valid for everything thats leaving our planet...

The moon is in a mostly stable orbit around earth. So the moon won't just fly off to some distant galaxy. Our moon keeps up with our speed. When astronauts landed on the moon they still had pretty much the same speed as earth has travelling through space, because the moon is travelling through space in pretty much the same speed as the earth. Read up on orbital mechanics and conservation of momentum if you want to understand better.

Yes...but when you go out to space and out of the atmosphere your immediately suppose to stay still because the earth is moving in 67,000 miles per hour..

Im not buying it..something is off...

you are telling me that everthing that we are sending to space can fly that fast ? even probes ?

Yes...but when you go out to space and out of the atmosphere your immediately suppose to stay still because the earth is moving in 67,000 miles per hour..

Im not buying it..something is off...

you are telling me that everthing that we are sending to space can fly that fast ? even probes ?

Everything we send into space already has that speed from the beginning. The earth is moving at 67,000miles per hour, but so is also we who stands on this planet, as well as the things we build on this planet and sends up to space. If you got out of an airplane you will still be moving forward, until air resistance has slowed you down. In space there is no air resistance, the only force that would slow you down would be gravity. And if you were behind earth then gravity would speed you up towards earth.

Yes...but when you go out to space and out of the atmosphere your immediately suppose to stay still because the earth is moving in 67,000 miles per hour..

Im not buying it..something is off...

you are telling me that everthing that we are sending to space can fly that fast ? even probes ?

Everything in the solar system is tied together with gravity. It's a system, it all moves through space as a system. Someone with much better math skills can explain it better. 

Yes...but when you go out to space and out of the atmosphere your immediately suppose to stay still because the earth is moving in 67,000 miles per hour..

Im not buying it..something is off...

you are telling me that everthing that we are sending to space can fly that fast ? even probes ?

If the Earth is moving at 67,000 mph and you are standing on the Earth then you are moving at the same speed, 67,000 mph. When you go into space nothing is going to slow you down so you will still be moving at 67,000 mph (the same as the earth) plus any extra speed from whatever rocket you are using, so you will move away from the earth at the speed of your rocket as this is the only difference between you and earth.

In addition, rockets can be seen to accelerate at 28,968 kilometers per hour

*sigh*  Don't they teach the difference between speed and acceleration in the future?

Thats not my question,,,

if we are moving in space - and lets saywe are sending a ship to the moon...if the earth is moving towrd another galxy.. and lets say the moon is too
still...we are moving in space... that means that the ship will have to catch up the speed.. otherwise she will be left behind...
and thats valid for everything thats leaving our planet...

Meh...   it's all relative,  relative to the galactic center we are zipping along at 500,000 miles per hour,    how would you ever know,   simple you don't,  velocity is relative.

Everything we send into space already has that speed from the beginning. The earth is moving at 67,000miles per hour, but so is also we who stands on this planet, as well as the things we build on this planet and sends up to space. If you got out of an airplane you will still be moving forward, until air resistance has slowed you down. In space there is no air resistance, the only force that would slow you down would be gravity. And if you were behind earth then gravity would speed you up towards earth.

An object in motion stays in motion.  Right now you and everything around you is moving with the Earth and if you were to leave the atmosphere you would still have that motion.  Another thing to note is special relativity which states that every frame of reference is as valid as any other.  You probobaly feeling stationary right now and you are right as long as you are using Earthas your reference frame, but if you use the Sun as a reference frame you are moving thousands of miles per hour and you don't notice because all reference frames are equivalent.

Try going into a car going really fast and then take a decently large rock and throw it out the window.  When it exists it will keep it's motion and travel as you would expect it to if the car were stationary.  To put it another way, if you were in a closed box with no windows then there is no experiment you could do to determine how fast you were going, no matter what the velocity of the box was.

Space crafts can go so fast because they are already going that fast and there are no forces slowing them down to fight against, so they stay in motion.  If big rocks like the Earth and Moon can go that fast then surely a space craft can manage it, in fact it's hard not to not go that fast because it takes rockets and fuel to change velocity and break away from the Earth.

Quote from: JohnTitor on August 28, 2015, 02:20:35 AM

In addition, rockets can be seen to accelerate at 28,968 kilometers per hour

*sigh*  Don't they teach the difference between speed and acceleration in the future?

Very true, thank you for the correction. I intended to say 'can be seen to accelerate to.'

Yes...but when you go out to space and out of the atmosphere your immediately suppose to stay still because the earth is moving in 67,000 miles per hour..

This is untrue. If no forces act on something, there is nothing to make it slow down. In vacuum, there is no air resistance: if something is already moving in one direction, it will keep moving at that heading and at that speed. What would slow it down?
You're used to thinking in terms of what happens on Earth, that's fine, but it isn't relevant in this case.