WASHINGTON, July 18, 2013 /PRNewswire-USNewswire/ -- Two NASA spacecraft, one studying the Saturn system, the other observing Mercury, are maneuvering into place to take pictures of Earth on July 19 and 20. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) The image...
Reported by PR Newswire 3 hours ago.
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