mean density
61Cavendish experiment — The Cavendish experiment, done in 1797 ndash; 1798 by Henry Cavendish, was the first experiment to measure the force of gravity between masses in the laboratory, [ [http://books.google.com/books?id=ZrloHemOmUEC pg=PA355 Boys 1894] p.355] and the… …
62Universe — For other uses, see Universe (disambiguation). Physical cosmology …
63Henry Cavendish — Infobox Scientist name = Henry Cavendish box width = image width = 240px caption = Henry Cavendish birth date = birth date|df=yes|1731|10|10 birth place = Nice, France death date = death date and age|df=yes|1810|02|24|1731|10|10 death place =… …
64Eris (dwarf planet) — Eris   Eris (centre) and Dysnomia (left of centre). Hubble Space Telescope …
65Jupiter — This article is about the planet. For other uses, see Jupiter (disambiguation). Jupiter   …
66Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …
67Metis (moon) — Metis Image of Metis was taken by Galileo s solid state imaging system between November 1996 and June 1997. Discovery Discovered by S. Synnott Discovery date March 4, 1979 …
68243 Ida — Galileo image of 243 Ida. The tiny dot to the right is its moon, Dactyl. Discovery[1] and designation …
69George Biddell Airy — Infobox Scientist box width = 300px name = Sir George Biddell Airy, FRS image width = 240px birth date = birth date|1801|07|27 birth place = Alnwick, Northumberland, England death date = death date and age|1892|01|02|1801|07|27 death place =… …
70Structure formation — refers to a fundamental problem in physical cosmology. The universe, as is now known from observations of the cosmic microwave background radiation, began in a hot, dense, nearly uniform state approximately 13.7 Gyr ago. [cite journal |author=D.… …
