https://solarsystem.nasa.gov/missions/viking-1/in-depth/ https://solarsystem.nasa.gov/missions/viking-1/in-depth/ Viking 1 July 20, 1976: Lander t

https://solarsystem.nasa.gov/missions/viking-1/in-depth/ https://solarsystem.nasa.gov/missions/viking-1/in-depth/ Viking 1 July 20, 1976: Lander touched down Scientific Instruments Lander 1. Imaging System (2 facsimile cameras) 2. Gas Chromatograph Mass Spectrometer (GCMS) 3. Seismometer 4. X-Ray Fluorescence Spectrometer 5. Biological Laboratory 6. Weather Instrument Package (Temperature, Pressure, Wind Velocity) 7. Remote Sampler Arm