PREVIEW: #MARS: Conversation with colleague Bob Zimmerman re new studies based on modeling that indicate the long voyages to and from Mars are profound health threats without present solutions - in particular, damage by cosmic rays. More later.
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PREVIEW: #MARS: Conversation with colleague Bob Zimmerman re new studies based on modeling that indicate the long voyages to and from Mars are profound health threats without present solutions - in particular, damage by cosmic rays. More later.
1957
PREVIEW: #MARS: Conversation with colleague Bob Zimmerman re new studies based on modeling that indicate the long voyages to and from Mars are profound health threats without present solutions - in particular, damage by cosmic rays. More later.