1769 Transit of Venus observed from Tahiti while voyaging to (unsuccessfully) observe the 1761 Transit in Sumatra. Using the solar parallax values obtained from the 1769 transit, Hornsby wrote in "Philosophical Transitions" December 1771 that "the mean distance from the Earth to the Sun (is) 93,726,900 English miles." The radar-based value used today for the astronomical unit is . This is only a difference of eight-tenths of one percent. Considering what these astronomers had to work with, their results were "absolutely remarkable". 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
A Tour in Scotland, 1769 A Tour in Scotland, 1769 A Tour in Scotland, 1769 was published in 1771. It is written by Thomas Pennant and illustrated by Moses Griffiths, who travelled together. Pennant set a new standard in travel literature: Samuel Johnson (whose own travelogue it provoked) said of him, "He's the best traveller I ever read; he observes more things than anyone else does". He himself said of his work: "I beg to be considered not as a Topographer but as a curious traveller willing to collect all that a traveller may be supposed to do in his voyage; I am the first