The Interstellar Message Plaques, affixed to our tiny Pioneers and Voyagers as they cruise toward the boundaries of nearby interstellar space, are messages to the far future. They have been compared to letters sealed in bottles and dropped in the ocean, in the hope that they might be retrieved and read in distant climes, on far shores.


Solar Sail Holographic Image Tooth Fairy Collimate Light Beam Marshall Space Flight Center 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media, LLC 2007

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