What Shapes Are Things in Outer Space?
There are basically three important shapes that objects take in space. One is round, like a ball. One is a disc, like a frisbee—a very flat, round thing. And then the other one is generally a mess—not a regular shape, like a pyramid or a cube or something like that. A comet is good example of a mess.
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https://gizmodo.com/what-shapes-are-things-in-outer-space-1825647786