The sun, the earth's own star, is mildly manic-depressive, passing from quiet to excitement on a roughly eleven-year cycle. It is quiet now and getting quieter. So on Jan. 1, 1964 scientists of 50 nations will take advantage of the solar silence to start IQSY, the International Years of the Quiet Sun,* a study of the sun and its effects on the earth. Last week the National Academy of Sciences released an ambitious program for U.S. participation.
When Iksee gets going, the sun will be watched around the clock by all the souped-up instruments that have been proliferating in the...
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