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This is an animation of the Canadian-built meteorological station's lidar, which was successfully activated on Sol 2.
The animation shows how the lidar is activated by first opening its dust cover, then emitting rapid pulses of light (resembling a brilliant green laser) into the Martian atmosphere.
Some of the light then bounces off particles in the atmosphere, and is reflected back down to the lidar's telescope. This allows the lidar to detect dust, clouds and fog.
Image Credit: Koji Kuramura