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How NASA Builds a Space Laser

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How NASA Builds a Space Laser

To build a satellite that will measure all the bumps and dips of our dynamic Earth, engineers started with a black box, built of a composite honeycomb material to make it as light as possible.

The structure was precisely manufactured with an opening to allow lasers to beam to Earth, and other windows sized for a telescope that will capture photons that bounce off our planet and return to the satellite. The box was measured and marked to denote where the assembly of aligned mirrors, electronics, lasers and photon detectors would be attached.

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