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The rhapsodic mood in the mission-control room at J.P.L. was in sharp contrast to the tense atmosphere earlier that morning when the Viking 1 lander responded to a command by separating from the orbiter and beginning its 3-hr. 17-min. descent to the surface. Penetrating the Martian atmosphere...
No Monsters. Once the first lander was safely down on Martian soil-thereby assuring at least partial success of the $1 billion, eight-year-long Viking project-scientists decided that they could afford to be less cautious with Viking 2, which is approaching Mars and scheduled to go into orbit...
In the early flush of excitement about the landing and the first photographs, none of the Viking scientists seemed particularly disappointed that the pictures showed no obvious signs of life-no lichen, bushes or trees, nothing even remotely resembling an animal or the monsters or little green men beloved by...
Indeed, Mars seems to possess many of the elements essential to life on earth. Most of Mars' visible water appears in the form of atmospheric vapor or ice locked in the planet's two polar caps (the surface pressure on Mars is so low* that liquid water would...
Between now and mid-November, when Mars passes behind the sun and communications with earth are cut off, Viking's two cameras will take regular photographs of Chryse Planitia, observing what takes place throughout each Sol, or Martian day, of 24 hr. 37 min. Other instruments, meanwhile, will sample...