Quote:
Originally Posted by d-null
I was just pondering a thought, I wonder where the center of gravity is for a torus shaped object?
it is kind of like a donut, a round shape with a hole in the middle, could one possibly exist in the universe of any substantial size or would gravity not be able to hold it together in that shape?
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The center would be technically a vacuum and nature/physics hates vacuums. There is a big reason why matter likes to form spheres. So I would tend to think no it count not exist for any real amount of time.
I do think perhaps a tube vacuum could appear, potentially bend due to external forces and touch its other end. Still think it would collapse once it did into a sphere vacuum though.