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NASA’s Dawn spacecraft obtained this image of the protoplanet Vesta with its framing camera on July 18, 2011. It was taken from a distance of about 10,500 kilometers. The smallest detail visible is about 2.0 km. In August, Dawn will begin sending images from its high resolution camera. |
Book Review: NASA’s Discovery Program
Category: Nonfiction Reviewed by: Casey Suire Title: NASA’s Discovery Program: The First Twenty Years of Competitive Planetary Exploration Author: Susan