quasar
I like chocolate milk
Sunlight IS a source of energy. It has its drawbacks - like not being available during night - but it's definitely energy.
You may be describing a "barred spiral" galaxy.
We cannot see the center of the Milky Way Galaxy because of the dense clouds of dust and gas in the way, but there are interesting indications that our galaxy, like many large galaxies, may contain a supermassive black hole in its center.
energy is because it has a power source like every other energy
energy is because it has a power source like every other energy
Nearly all spiral galaxies, including our own, have such a feature.
it is like an energy source for the body
as an energy source like we do
A barred spiral galaxy.
Not in the literal sense of the words "Mechanical Energy". It depends on the source of the mechanical energy.If the source is renewable, like solar or wind generated electricity, then the mechanical energy is renewable.If the source is non-renewable, like electricity from burning oil, then it is non-renewable.
Tomato plants, like all plants, get their energy from sunlight.