The Expedition 19 crew took Friday off in observance of the
Russian May Day holiday. However, they did participate in routine
medical proficiency training by reviewing the Health Maintenance
System and the Advance Cardiac Life Support equipment.
Analyses of data from the MErcury Surface, Space ENvironment,
GEochemistry, and Ranging (MESSENGER) spacecraft’s second
flyby of Mercury in October 2008 show that the planet’s
atmosphere, magnetosphere, and geological past are all
characterized by much greater levels of activity than scientists
first suspected.
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