Measurement of Solar Radius Changes

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Science  20 Nov 1981:
Vol. 214, Issue 4523, pp. 907-909
DOI: 10.1126/science.214.4523.907


Photoelectric solar radius measurements since 1974 at Mount Wilson show no change in the solar radius, with a limit of abouit 0.1 arc second (1 standard deviation), over the interval. The limit is set by residual systematic effects.