Yes, but my point was, that the earth do need a certain amount of power to begin with. If you removed all the power put into the earth in the first place, it would stop turning around, and simply fall into the sun.
If they don't show on pictures then a: the people seeing them are insane, or b: It can only be seen by human eyes. (for some reason)
or c: people claiming to see ghosts are huge liars.
All the earth's power was supplied by gravity.
It was captured into the sun's orbit just like you can send a satellite into earth's orbit, no kick-start required