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. 1969 Dec 19;166(3912):1502-3.
doi: 10.1126/science.166.3912.1502.

Apollo 11 solar wind composition experiment: first results

F Bühler, P Eberhardt, J Geiss, J Meister, P Signer

Apollo 11 solar wind composition experiment: first results

F Bühler et al. Science. .

Abstract

The helium-4 solar wind flux during the Apollo 11 lunar surface excursion was (6.3 +/- 1.2) x 10(6) atoms per square centimeter per second. The solar wind direction and energy are essentially not perturbed by the moon. Evidence for a lunar solar wind albedo was found.

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