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Technical line drawing of the Landsat 1 satellite (originally called ERTS-1) with labeled components including solar paddles, sensory ring, return beam vidicon cameras, multispectral scanner, attitude control subsystem, and various antennas. The illustration shows coordinate axes and the satellite's orbit direction.

Landsat_1

Technical line drawing of the Landsat 1 satellite (originally called ERTS-1) with labeled components including solar paddles, sensory ring, return beam vidicon cameras, multispectral scanner, attitude control subsystem, and various antennas. The illustration shows coordinate axes and the satellite's orbit direction.

Image Credit: NASA
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