system
Given the following post, respond as if you're commenting on Reddit:
human
[Metroid] So... how does the Morph Ball let Samus turn into, well, a ball?

It obviously doesn't physically compact her into a ball, as at least four horrifically mutilated Space Pirates found out. So how *does* that thing let her compress into a solid spherical mass roughly the size of a beach ball?
gpt
Chozo tech allows her suit to convert her body into energy and psionically control the ball, then re-form when she stands up again. Unfortunately it's keyed to Chozo DNA so it would only work for her or a Chozo.