Abstract
THREE of the most important solar disturbances observed during 1956 were the great eruptive prominence of February 10 and the large flares of May 17 and August 31. For a week or two after each of these events, a sequence of phenomena involving Venus, the Earth and the Moon were observed with a radio telescope operating on a wave-length of 11 m.1, these events appearing to be related to the preceding solar disturbance. In one case strong signals of apparent Venusian origin were observed a number of days after the solar disturbance, and a few days later a phenomenon was observed which, presumably, was caused by the presence of a large ion cloud near the Moon. Such a sequence of events suggests that a stream of particles ejected by the Sun and travelling earthward first encountered the planet Venus, resulting directly or indirectly in the production of strong 11-m. radio signals from Venus. Drifting farther out, the particles reached the vicinity of the Earth, with some of the particles forming a cloud near the Moon.
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References
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Kraus, J. D., Nature, 178, 159 (1956).
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KRAUS, J. Relation of 11-Metre Solar System Phenomena to Solar Disturbances. Nature 179, 371 (1957). https://doi.org/10.1038/179371a0
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DOI: https://doi.org/10.1038/179371a0
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