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Laser Altimeter Will Aid Spacecraft's Visit to Asteroid

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A laser altimeter from the Canadian Space Agency (CSA) has arrived at Lockheed Martin Space Systems for integration onto NASA's OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer) spacecraft. The OSIRIS-REx Laser Altimeter (OLA) will create 3D maps of the near-earth asteroid Bennu, aiding in the selection of a sample collection site. The advanced lidar system will provide mission scientists with fundamental data on the asteroid's shape, topography, surface processes and evolution. An accurate shape model will also be an important tool for...Read full article

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    Published: December 2015
    Glossary
    lidar
    Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and generate precise, three-dimensional information about the shape and characteristics of objects and surfaces. Lidar systems typically consist of a laser scanner, a GPS receiver, and an inertial measurement unit (IMU), all integrated into a single system. Here's how lidar works: Laser emission: A laser emits laser pulses, often in the form of rapid and repetitive laser...
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