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  2. Satellite laser ranging - Wikipedia

    en.wikipedia.org/wiki/Satellite_laser_ranging

    The laser pulse can also be reflected by the surface of a satellite without a retroreflector, which is used for tracking space debris. [1] Satellite laser ranging is a proven geodetic technique with significant potential for important contributions to scientific studies of the earth/atmosphere/ocean system. It is the most accurate technique ...

  3. Free-space optical communication - Wikipedia

    en.wikipedia.org/wiki/Free-space_optical...

    On April 28, 2023, NASA and its partners achieved 200 gigabit per second (Gbit/s) throughput on a space-to-ground optical link between a satellite in orbit and Earth. This was achieved by the TeraByte InfraRed Delivery (TBIRD) system, mounted on NASA's Pathfinder Technology Demonstrator 3 (PTD-3) satellite. [33]

  4. Laser communication in space - Wikipedia

    en.wikipedia.org/wiki/Laser_communication_in_space

    Assuming available laser technology, and considering the divergence of the interferometric signals, the range for satellite-to-satellite communications has been estimated to be approximately 2,000 km (1,200 mi). [83] These estimates are applicable to an array of satellites orbiting the Earth.

  5. SpaceX to sell satellite laser links that speed in-space ...

    www.aol.com/news/spacex-says-plans-sell...

    SpaceX's thousands of Starlink satellites in low-Earth orbit use inter-satellite laser links to pass data between one another in space at the speed of light, allowing the network to offer broader ...

  6. Lidar - Wikipedia

    en.wikipedia.org/wiki/Lidar

    Lidar (/ ˈ l aɪ d ɑːr /, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging" [1] or "laser imaging, detection, and ranging" [2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver.

  7. Near Earth Network - Wikipedia

    en.wikipedia.org/wiki/Near_Earth_Network

    The NEN falls under NASA's SOMD (Space Operations Mission Directorate), interoperating with the SCaN Program offices. The Goddard Space Flight Center Ground Network Project has responsibility for maintaining the NEN, as well as implementing the Satellite laser ranging (SLR) Network.

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