How does the NASA spacecrafts return to earth without burning gas (no oxegen on the moon)we never saw 1 lift?

Question

the lift offs we all watch from earth 2,000 gals of gas burn, but they return lift offs have never been viewed from outside the spacecraft. doesn't it seem strange that gas needs air to burn and the moon is lacking oxegen what gives the spacecraft momentum to return back to earth, why is the video only shown from inside the spaceship?

It perturbs me that their is a lack of video from liftoff left on the moon/or space stations to a vantage point other then the inside view filmed by the astronauts. My mind cannot visualize rocket fuels burning/igniting, and powering the spacecraft with the intense energy that lift off requires to float millions of miles. It doesn't seem that carrying film for the mission to see so much other sights is diminishing the journey astounding views.. I think that the space program is really a hoax thats costing billions of dollars of tax payers money without sharing in the understanding and knowledge that it is supposed to expose us to! the sight is not so astonishing of black with white dots of stars, I want to get the WHOLE PICTURE.

Answer 1

Some advice.

There are these little dots and dashes? That we use in the English language? We call them "periods" and "commas".

Also there is this theory of "capitalization" that you should learn about. You may be able to GOOGLE the concept of "grammar" so that readers can understand what the heck it is you are trying to say.

Stop me if I'm going too fast.

Answer 2

Actually, there is footage from outside of a spacecraft (first link is a lunar module taking off from the surface of the moon, taken from the camera on moon rover they took with them and left behind; second link is a Saturn rocket firing its second stage engines). Both videos were made in open space--no atmosphere. However, the rockets still fire because there is oxygen, they just brought it with them. The Saturn rockets used in the Apollo missions had tanks of liquid oxygen to help the fuel burn.

Agreed there isn't too much footage out there, but it's expensive to go up into space, and with so much to see, do you really want to spend time photographing your engines, especially if you have to carry movie film up to do it?

Answer 3

First, the fuel in the rocket contains the oxygen it needs to burn. Thats how they fly. Research rocket fuels and you will discover many things that go into our current program. As for the video, that's because the camera's are on the craft, there isn't anyone outside to film it.

Answer 4

There are videos actually of the LEM lifting off the moon. Also the rockets carry a liquid oxidizer.

Answer 5

In fact the oxygen in the air is never sufficient for burning rocket propellant, and the rocket always carries the oxidizer with it, even for liftoff in the earth atmosphere. Some jet engines (the ones used on airplanes - turbofans, ramjets, scramjets) use atmosphere oxygen, but they are too weak to get you to the orbit.

Answer 6

That's right, or else it would be a short flight, as soon as you got out of the atmosphere your engines would shut off. The mixture of oxygen and fuel is designed to burn in the near vacuum of space.

Answer 7

Use the source Stephanie b!

http://www.nasa.gov/

Answer 8

they use fell cells +sun light+water to make oxegen