NASA supercomputer finds billions of comets mimicking the Milky Way's shape: 'The universe seems to like spirals!' - Space.com

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure."Spirals are a repeating theme in astronomy, with arguably the most famous example of a swirling armed structure being our home galaxy, the Milky Way. Now, using a powerful NASA supercomputer called "…