halley began
71Gladden Bishop — Francis Gladden Bishop (January 19, 1809 – November 30, 1864) was a minor leader in the Latter Day Saint movement after the 1844 succession crisis. Bishop claimed to be the rightful successor to Joseph Smith, Jr.; from the 1850s until his death,… …
72No. 666 Squadron RCAF — Active 5 March 1945 31 October 1945 Country  Canada Allegiance …
73History of geophysics — The historical development of geophysics has been motivated by two factors. One of these is research curiosity of humankind related to Planet Earth and its several components, its events and its problems. The second one is economically usage of… …
74astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… …
75Challenger disaster — ▪ United States history explosion of the U.S. space shuttle orbiter Challenger, shortly after its launch from Cape Canaveral (Canaveral, Cape), Fla., on Jan. 28, 1986, which claimed the lives of seven astronauts. The primary goal of… …
76List of dates predicted for apocalyptic events — This is a list of predicted dates for apocalyptic events such as the Rapture, Last Judgment, or any other event that would result in the end of mankind. The list shows the dates of predictions from notable groups or individuals of when the world… …
77Mormonism and polygamy — Plural marriage redirects here. For generalized concept, see polygamy. Mormonism and polygamy Members of Joseph F. Smith s family, including his sons …
78Venus — This article is about the planet. For other uses, see Venus (disambiguation). Venus   …
79Apollonius of Perga — Apollonius of Perga. Apollonius of Perga [Pergaeus] (Ancient Greek: Ἀπολλώνιος) (ca. 262 BC – ca. 190 BC) was a Greek geometer and astronomer noted for his writings on conic sections. His innovative methodology and terminology, especially in the… …
80Pierre-Simon Laplace — Laplace redirects here. For the city in Louisiana, see LaPlace, Louisiana. For the joint NASA ESA space mission, see Europa Jupiter System Mission. Pierre Simon, marquis de Laplace Pierre Simon Laplace (1749–1827). Posthumous portrait …
