Rocket Propulsion

Ladies and Gentlemen,

1)

a) Everything that has a mass has got a weight, too...

b) Everything that has a weight has got a mass, too...

These are everyday observations...

2)

a) What doesn't have a mass doesn't have a weight either...

b) What doesn't have a weight doesn't have a mass either - is this true? Yes, this is true because weightlessness is only possible if an object doesn't have a mass either that is stated in point 2) a)

That's why the orbit of a planet or of a moon is a favourable place to start an interstellar space flight from...

Best wishes, Joseph de la Mikula and Team