Carl Saga with Viking

Carl Sagan in Front of the Viking Lander Mockup

Cornell astronomer Carl Sagan stands in front of a Viking lander mockup in Death Valley, California. Sagan helped select the landing sites and plan the Viking missions and was a tireless promoter of the Viking program and related explorations of Mars and other planets. 

  • Copyright/Owner: NASA
  • Source: NASA/JPL
  • Public Domain