Word: solar
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Dates: during 1950-1959
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Since most astronomers agree that the earth and the moon became partners when the solar system was formed, the age of the earth-moon combination is also the age of the solar system. Because of the drag of the tides, the moon is slowly moving away from the earth. The best estimate, says Ter Haar, is that it took the moon two to four billion years to reach its present distance. This gives the age of the earth-moon partnership, and therefore the age of the solar system: two to four billion years...
Ever since Galileo stuck a couple of lenses in a length of pipe and got a glimpse of the solar system, scientists and storytellers have worked overtime peopling the outer universe with living creatures. It is high time, says Dr. Hubertus Strughold of the U.S. Air Force School of Aviation Medicine, "to raise the question of life on other planets to the biological plane where it belongs...
...circulated the other gases past a small electric "corona" discharge, which promoted chemical reactions among their molecules. This sort of thing may have happened on the primitive earth, where lightning was probably common. In any case, the influence of the electric discharge was similar to that of the strong, solar radiation beating down on the top of the primitive atmosphere...
...world's principal research centers for anthropologists, zoologists, biologists, botanists, geologists and specialists in solar radiation, the Smithsonian surfers troubles that are continually compounded. Already it has 33,200,000 assorted curios and relics in its catalogue and more pour in every year...
...soft glow, the dead-black background of the murals seems to recede. Saturn with its rings stands out almost in three dimensions, clear and cold and quiet. The waving streamers of the aurora shimmer in a delicate pastel curtain. Flamelike solar prominences erupt from the surface of the sun with more clarity than in the original coronagraph pictures. Nothing seems to stand still: the murals vibrate with energy...