> Astronomers rejoiced as NASA's Double Asteroid Redirection Test (DART) impactor slammed into its pyramid-sized, rugby ball-shaped target…
Good thing it wasn’t torus-sized or they might have missed!
Good thing it wasn’t torus-sized or they might have missed!
More seriously though, there is as always math for this. For an object to remain torus shaped it has to resist gravity trying to pull it into a more spherical shape around the centre of mass. More info here if your curious https://astronomy.stackexchange.com/q/2092/501