Our expectations of what a black hole should look like are driven in large part by the 2014 movie Interstellar. Visual effects supervisor Paul Franklin tells us how the team's work stacks up ...

In comparison, the first known interstellar visitor, 1I/'Oumuamua, had an eccentricity of about 1.2, and 2I/Borisov came in at 3.6. 3I/ATLAS massively outpaces both.