No proof it's a vacuum. The atmosphere would get sucked away.
By what?
The radiation does in fact require according to the Russians, like 3 meters of lead or 6 meters of water.
Radiation from what?
Also, rockets couldn't work in space because their is no atmosphere to push off of.
If you make an explosion in a vacuum it pushes in every direction. If you let a small stream of gas out in a vacuum it will expand and push the thing that let the stream out. Hell in space it is theoretically possible to make a giant "sunlight parachute" to propel an object using the energy from light.
The "vacuum of space" would suck it away The interstellar radiation NASA says is up there and the Van Allen radiation belts Those are theories, rocket engines "push" off of matter so it could take off of a large asteroid or moon, but there would be no continuous push.
The "vacuum of space" would suck it away
From the gravity of earth?
Static electricity can hold matter on a balloon even when a fan blows on it. Not an ideal comparison, but the earth does have plenty of static electricity.
The interstellar radiation NASA says is up there and the Van Allen radiation belts
So how does space radiation stop a space ship from working?
rocket engines "push" off of matter so it could take off of a large asteroid or moon, but there would be no continuous push.
For every action there is an equal and opposite reaction. If you were to break open a compressed air cylinder on earth it would "take off like a rocket" despite it not having a combustion. Likewise a puff of air in space would propel the thing puffing the air out as it would be pushed in the opposite direction from the puff and in the vacuum of space there would be little to nothing in the way of the object being pushed by letting out the gas.
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