Holden and his crew face a Martian military blockade. Miller finds a new reason to forge ahead. Avasarala visits Holden’s family.

Our heroes travel over the infinite expanse of the Shattered Sea, forced to journey to the very edge of the world… and beyond.

This episode deals with savanna, steppe, tundra, prairie, and looks at the importance and resilience of grasses in such treeless ecosystems. Their vast expanses contain the largest concentration of animal…