We haven't found a way to shield astronauts from radiation on long space missions.
open
Global / Unspecified, Global
Outside Earth's magnetic field, cosmic radiation raises cancer risk and can damage the brain and body over time. This is one of the biggest blockers to sending humans to Mars safely.
Citation ID: WS00006
Title: We haven't found a way to shield astronauts from radiation on long space missions.
URL: https://worldsolve.org/index.php?api=problem&id=6