Cinema etiquette Modern cinemas often display a short reminder for patrons to turn off their cellphones, before the film begins. Etiquette writers Debrett's released a guide to correct cinema behavior in 2008, after research showed that 66% of moviegoers wanted to see an improvement in cinema etiquette. The most common objections from those polled were having their view blocked by a tall patron in front, or having their own seat kicked from behind. Debrett's five recommendations were to arrive on time, to sit still, to refrain from whispering during the film, to wait for a loud scene before eating wrapped candy, and
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