1769 Transit of Venus observed from Tahiti 1769 Transit of Venus observed from Tahiti On June 3, 1769, British navigator Captain James Cook, British naturalist Joseph Banks, British astronomer Charles Green and Swedish naturalist Daniel Solander recorded the transit of Venus on the island of Tahiti during Cook's first voyage around the world. During a transit, Venus appears as a small black disc travelling across the Sun. This unusual astronomical phenomenon takes place in a pattern that repeats itself every 243 years. It includes two transits that are eight years apart, separated by breaks of 121.5 and 105.5 years. These men, along with a crew of scientists,
1769 Transit of Venus observed from Tahiti the transit. The viewing of the 1761 transit involved the effort of 120 observers from nine nations. Thomas Hornsby reported the observations as unsuccessful primarily due to poor weather conditions. He alerted the Royal Society in 1766 that preparations needed to begin for the 1769 transit. Hornsby's publication in the "Philosophical Transactions of the Royal Society" in 1766 focused attention on the "cone of visibility" indicating, like Halley, some of the better places to observe the transit. The Royal Society boasted that the British "were inferior to no nation on earth, ancient or modern" and were eager to make another