oa MNASSA : Monthly Notes of the Astronomical Society of South Africa - The 1882 transit of Venus: The British expeditions to South Africa

Volume 63, Issue 3-4
  • ISSN : 0024-8266



Prior to the 19th century transits of Venus, the Cape Observatory already had a long history of involvement in parallax observations. The results of the 1874 transit were not particularly encouraging, compared to alternative methods of measuring the astronomical unit devised by that time.

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