
Thematic Mapper Clean Room Assembly
Technician in clean room attire inspecting the Thematic Mapper instrument during pre-launch preparation, showing the scanning aperture and internal components before installation on the Landsat 4 satellite.
Image Credit: NASA
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https://science.nasa.gov/image-detail/amf-147a1751-321c-482f-a58d-865e99fe8d67/
Image CreditNASA
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