Grail, Curiosity Results Aid Next Steps In Space

By Frank Morring
Source: Aviation Week & Space Technology

“Understanding the radiation environment inside a spacecraft carrying humans to Mars or other deep-space destinations is critical for planning future crew missions,” says Cary Zeitlin, SwRI scientist and the lead author of the radiation report, which also was published in Science. “[U]nless propulsion systems advance rapidly, a large share of mission radiation exposure will be during outbound and return travel, when the spacecraft and its inhabitants will be exposed to the radiation environment in interplanetary space, shielded only by the spacecraft itself.”


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