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NASA's OSIRIS-REx Tech: Mapping an Asteroid with Lasers
NASA"s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) will launch in September 2016 and travel to the near-Earth asteroid Bennu to harvest a sample of surface material and return it to Earth for study. Before the science team can select a sample site, it needs to learn about the asteroid"s topography. The OSIRIS-REx Laser Altimeter (OLA) is provided by the Canadian Space Agency and will be used to create three-dimensional global topographic maps of Bennu and local maps of candidate sample sites.
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