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Rocket Engines That Flew 22 Space Shuttle Missions Are Ready for NASA’s Next Moon Mission
NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...
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From Mercury to Pluto: A Common Approach to Mission Timekeeping
The successful launch of the New Horizons spacecraft for a rendezvous with Pluto and Charon and the continuing progress of the MESSENGER spacecraft toward Mercury now positions mankind to unlock ...