When the first U.S. astronauts make a lunar landing in late 1968 or 1969, many of the world's telescopes will be focused on their activities. But there will be some important exceptions. In seven small observatories scattered around the world from the Manned Spacecraft Center near Houston to Carnarvon, Australia, small groups of NASA astronomers will be devoting their full attention to the sun. What they see might well determine the success or failure of the Apollo moon mission.
Eleven-Year Cycle. The astronomers will be part of a "solar patrol" established to warn astronauts against possible danger from the sun, which...
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