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The Science of Project Hail Mary: Astrophage, Alien Life, and Panspermia
Episode 51
Published 2 months, 3 weeks ago
Description
How realistic is the science behind Project Hail Mary?
In this episode, we break down Astrophage, its incredible energy density, its ability to dim a star, and whether biology could ever evolve something that extreme. We also explore Rocky’s high-pressure world, xenonite, panspermia, photon-powered spacecraft, and what humanity could do to survive if the Sun suddenly lost 10% of its brightness.
From alien biology to interstellar engineering, we examine which ideas are grounded in real science, which require major assumptions, and why the story still feels surprisingly plausible.
Website: https://www.entropy-rising.com/