What power or oil does a spaceship need to launch into space?

If it is emitted, the product of the reaction is ejected by the exothermic reaction of the chemical reaction.

There are many kinds of fuels, the common ones are liquid oxygen+kerosene, liquid oxygen+liquid hydrogen, nitrogen tetroxide+unsymmetrical dimethylhydrazine.

In the early years, it was decomposed directly with hydrogen peroxide, and so on.

After launch, many detectors will use electric energy to emit plasma gas to obtain thrust. But the "spaceship" you mentioned is too heavy, even if it is in the sky, it will use chemical rockets.