We know that Jupiter and Saturn are made mostly of helium and hydrogen, but is this true for other systems and their gas giants too?
We know that Jupiter and Saturn are made mostly of helium and hydrogen, but is this true for other systems and their gas giants too?
If we want to
keep the thread goingget even more nitpicky, empty space doesn’t exist, exacly. There’s just one big quantum field filling the universe.Although, future physics may change that picture.