Our sun is like Jupiter for 2times/2times and a quarter or even larger.
There it looks like a yellow pea.
Red giants are like, the 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 million miles or LARGER. wow the universe is HUUUUUUUUUUGE