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Space Flight at 50: The Journey Continues
by: Betsy Towner, from: AARP Bulletin, April 28, 2011
Delta 2 rocket. — Erik Simonsen/Getty Images
In September, multiple unmanned probes will hitch a ride to the moon on a Delta 2 rocket. One will collect data on the moon's atmosphere and clingy dust — information important for future manned missions there.
Next: MESSENGER spacecraft. >>
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