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quarta-feira, 4 de janeiro de 2012

Twin probes begin moon mapping mission

Jan. 2 - After a three month spaceflight, a twin set of lunar probes has reached the moon. NASA intends to use the orbiters to create a precise map of the moon's gravitational field. Researchers hope the data will answer questions about the composition of the moon's core and how it was formed. Ben Gruber reports.


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