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[[1947]] – Alleged and disputed Roswell UFO incident.<br />
[[1959]] – 14:28 UT [[Venus]] occults the [[star]] [[Regulus]]. This rare event was used to determine the diameter of Venus and the structure of the Venusian [[atmosphere]].
<noinclude>[[Category:On This Day|189]]</noinclude>
[[1959]] – 14:28 UT [[Venus]] occults the [[star]] [[Regulus]]. This rare event was used to determine the diameter of Venus and the structure of the Venusian [[atmosphere]].
<noinclude>[[Category:On This Day|189]]</noinclude>
