Zero‑gravity workouts, huh? I’ll strap on a vest, crank up my accelerometers, and write the force‑mass equation on the nearest napkin—F equals ma—while the astronaut’s muscles do a ballet of inertia. Let’s see if the human body can keep up with a supernova’s pulse, or if we’ll just float in a field of stardust and frustration. Ready to sweat like a comet's tail?