GPS Block IIA satellite orbits over the earth (Image by Scott Prater, Schriever Air Force Base, Colorado, November 2013; courtesy Defense Video and Imagery Distribution System).
Traveling this summer? Don't take GPS for granted!
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This image of Praesepe, also popularly known as the Beehive Cluster, was created by the Two Micron All Sky Survey (2MASS), a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation (Image: public domain, courtesy 2MASS/UMass/IPAC-Caltech/NASA/NSF).
Praesepe refers to an open cluster of stars in the dim constellation Cancer. Today it is more commonly known to English-speaking people as the Beehive Cluster.
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