Dec 10 1961
From The Space Library
The Carnegie Institution issued annual report containing several findings from its space scientists: Philip Abelson contended that it was a waste of time and money to sterilize vehicles going to the Moon or planets because any life there would be so unlike terrestrial life that it could not be contaminated by Earth organisms; Horace Babcock offered a theory on alternating spiral magnetic fields of the Sun that might explain sunspots, flares, and the 22-year magnetic cycle; other scientists noted growing evidence of major differences in chemical composition of distant stars, indicating a need to revise methods of computing distances to those stars.
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