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USRA is an independent, nonprofit research corporation where the combined efforts of in-house talent and university-based expertise merge to advance space science and technology.USRA was founded in 19...
American Association for the Advancement of Science Publishes "Exploring the Inner Solar System" for MESSENGER Mission（图）
space sciences Mercury Venus Inner Solar System
2006/12/14
13 December 2006,With NASA's MESSENGER spacecraft streaking past Venus on its way to Mercury, AAAS has teamed with the space agency to publish Exploring the Inner Solar System: Expecting the Unexpecte...