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STS-127 Mission Specialists Chris Cassidy and Tom Marshburn will tackle a challenging 7 Â½-hour spacewalk today to finish swapping out batteries for the International Space Stationâ€™s oldest set of solar arrays.
Word of the Day
- The act of sweetening by admixture of some saccharine substance.
The word 'edulcoration' comes from a Latin word meaning 'making sweet'.