more straightforward design would not have served.

The Viking 1 lander touched down in western Chryse Planitia ("Golden Plain") at at a reference altitude of -2.69 km relative to a reference ellipsoid with an equatorial radius of 3,397 km and a flatness of 0.0105 (22.480° N, 47.967° W planetographic) at 11:53:06 UTC (16:13 local Mars time). Approximately 22 kg of propellants were left at landing.

Transmission of the first surface image began 25 seconds after landing and took about four

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