The Death of the Crew
Project Hail MaryThe original crew of the Hail Mary and the Blip-A die, leaving Grace and Rocky as sole survivors.
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Bearing strength in each event
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Yao and Ilyukhina's Deaths

The Price of the Coma
The Medical Robot's Failure
Grace's crewmates, Commander Yao Li-Jie and engineer Olesya Ilyukhina, died during the journey. The automated medical robot was not perfect; it could not handle a complication. Grace wakes up to find their mummified bodies. He is devastated, but he cannot remember them clearly at first.
The Memory of Their Personalities
As Grace's memory returns, he recalls Yao's stern leadership and Ilyukhina's humor. They were his friends. He performs a burial in space, releasing their bodies. The act gives him closure but deepens his loneliness.
The Survivor's Guilt
Grace struggles with why he survived and they did not. He eventually attributes it to random luck. This loss shapes his determination to make the mission succeed, as a tribute to them.
The Blip-A Crew's Radiation Death

An Invisible Killer
The Unknown Threat
Rocky's crew of twenty-three died from radiation sickness. The Eridians had no knowledge of radiation, so they had no protection. The journey exposed them to cosmic rays, and one by one they fell ill. Only Rocky survived because his workshop was surrounded by Astrophage fuel, which absorbed the radiation.
The Revelation
Grace explains the concept of radiation to Rocky, and Rocky realizes the tragedy was preventable. He had been unknowingly protected. The guilt is heavy, but he channels it into the mission.
The Legacy
The deaths of the crews are a reminder of the risks of space travel and the fragility of life. They also highlight the importance of the collaboration between Grace and Rocky, who together overcome the obstacles that killed their comrades.
During the journey to Tau Ceti
During the journey to Tau Ceti (before the story)