"According to my exosuit's telemetry," Elise said, as the livestream went on, her tone shifting into something more informative, drawing the audience in with detail, "Callisto's surface temperature right now is about minus one hundred and forty degrees Celsius. And the air —" she gave a small laugh — "well, there is no air. None at all. It's a vacuum. In conditions like these, a human being needs protection just to exist for more than a few seconds. Which is why my friends and I are all wearing vac suits, and over those, our exosuits."
She let that settle in before continuing, her voice dipping into mock-seriousness.
"And that's not even counting the radiation. We're in deep space, so radiation is everywhere out here. Without shielding, it would be another thing trying very hard to kill us. That's the price of standing on a moon of Jupiter."
